What Childcare Accreditation Actually Means

Accreditation is one of the first things parents encounter when researching childcare. It is also one of the least well-explained. This guide breaks down every major accreditation body, what the research says about each, and what they do and don’t tell you about a program.

How Accreditation Works

Childcare accreditation is a voluntary process. A program applies to an accrediting body, undergoes a self-study, submits documentation, and typically receives a site visit from external reviewers. If it meets the standards, it earns accredited status for a fixed term (usually 5–7 years), after which it must renew.

Accreditation is separate from licensing. Every childcare program that operates legally must hold a state license, which sets a floor for health, safety, ratios, and basic staff qualifications. Accreditation is a layer above licensing — it evaluates additional dimensions like curriculum quality, family engagement, staff credentials, and program administration.

There is no single national accreditation. Different accrediting bodies serve different program types (centers vs. home daycares), philosophies (Montessori, Waldorf), and institutional contexts (independent schools). A program can hold zero, one, or multiple accreditations simultaneously.

NAEYC — Center-Based Programs

National Association for the Education of Young Children. Founded 1985. The most widely recognized accreditation for center-based early childhood programs (child care centers, preschools, Head Start, school-based pre-K). Does not cover family child care homes.

What it measures

NAEYC evaluates programs across 10 standards: relationships, curriculum, teaching, assessment of child progress, health, staff competencies, families, community relationships, physical environment, and leadership/management.[1]

In March 2025, NAEYC launched a new tiered system replacing the previous binary accredited/not-accredited model. The new tiers are Recognition (documentation review only, 1-year term), Accreditation (documentation review with potential site visit, 5-year term), and Accreditation+ (highest tier, 5-year term). The number of assessment items was reduced from 375 to approximately 200.[2]

How many programs have it

Over 6,500 programs nationally hold NAEYC accreditation.[2] In Pennsylvania, about 6% of child care centers are accredited.[3] Rates vary significantly by state and county.[4]

What the research says

Studies by Whitebook, Sakai, and Howes (2004) found that NAEYC-accredited centers had better-trained staff, lower staff turnover, higher staff salaries, and higher overall quality scores on observational measures compared to non-accredited centers.[5]

However, approximately 40% of NAEYC-accredited centers in that same research were still rated “mediocre” on quality scales.[5] The link from accreditation to measurable child developmental outcomes (cognitive, social-emotional, language) remains correlational, not causal. Multiple studies of QRIS systems, which frequently incorporate NAEYC accreditation, found null or inconsistent associations between accreditation and children’s development and learning.[6]

Barriers to accreditation

The process takes 24–30+ months and costs $1,000–$5,000+ in direct fees, scaled by enrollment size.[7] The larger cost is staff time for self-study and documentation. This disproportionately excludes small, independent, and minority-owned programs. NAEYC has acknowledged this: its 2024 re-envisioning paper states the system “was not historically structured for true inclusivity.”[2]

Between assessments

Accreditation is a 5-year term. Programs submit annual self-reports. Approximately 10% of accredited programs receive a random site visit each year. The remaining 90% are monitored through self-reported annual reports only.[8]

AMS & AMI — Montessori Programs

Two organizations accredit Montessori programs. AMI (Association Montessori Internationale) was founded in 1929 by Maria Montessori and requires strict fidelity to her original methods and materials. AMS (American Montessori Society) was founded in 1960 and allows broader interpretation, including supplemental materials and integration with state curricula.[9]

MACTE (Montessori Accreditation Council for Teacher Education) is a separate body, recognized by the U.S. Department of Education, that accredits Montessori teacher training programs (not individual schools). Both AMS and AMI training programs hold MACTE accreditation.[10]

The trademark problem

In 1967, the U.S. Patent and Trademark Office ruled that “Montessori” is a generic term and cannot be trademarked. Any school can use the name regardless of whether it follows the method.[11]

AMS accreditation vs. AMI recognition

AMI-recognized schools require all lead teachers to hold AMI diplomas and use exclusively Montessori materials. AMS-accredited schools accept teachers with AMS, AMI, or other MACTE-accredited credentials and allow supplemental materials alongside Montessori materials.[9]

AMS accreditation is a multi-year process (typically 2–3 years) involving self-study and a peer visit team. Accreditation lasts 7 years. There are approximately 1,250 AMS member schools, but only 204 are fully accredited — membership is a lower bar than accreditation.[12]

What the research says

Lillard (2012) compared children in “classic” Montessori classrooms (exclusively Montessori materials), “supplemented” Montessori classrooms (Montessori materials plus worksheets and commercial puzzles), and conventional programs. Children in classic Montessori showed significantly greater gains in executive function, reading, math, vocabulary, and social problem-solving. Children in supplemented Montessori did not significantly outperform conventional programs.[13]

Lillard and Else-Quest (2017) conducted a lottery-based study of 141 children at public Montessori magnet schools in a high-poverty district. Montessori children scored higher on academic achievement, social understanding, and executive function. The study also found that Montessori equalized outcomes across income levels: low-income children performed comparably to higher-income peers.[14]

A 2023 systematic review of 32 studies (1970–2020) found Montessori education produces “modest but meaningful positive effects” on academic and non-academic outcomes, with effect sizes of approximately one-third of a standard deviation for non-academic outcomes. The authors noted that variability in implementation fidelity likely explains inconsistent results across studies.[15]

Observable indicators of Montessori fidelity

Researchers identify several classroom-level features that distinguish high-fidelity Montessori programs from programs using the name without the method:[13][16]

• Mixed-age classrooms with 3-year age spans (e.g., 3–6, 6–9)
• Uninterrupted work periods of 2–3 hours
• Children choosing their own work and working independently
• Lead teacher holds an AMI diploma, AMS credential, or other MACTE-accredited certification
• Standard Montessori materials present (pink tower, moveable alphabet, bead chains)
• No external reward systems (sticker charts, prizes)

AWSNA & WECAN — Waldorf Programs

AWSNA (Association of Waldorf Schools of North America) is the membership and accreditation body for Waldorf schools, primarily K–12. It has 160+ member schools.[17] WECAN (Waldorf Early Childhood Association of North America) covers early childhood programs specifically — birth through age 7 — with approximately 204 organizational member programs.[18]

What they measure

AWSNA accreditation evaluates schools on 8 principles, including the school’s working understanding of child development, self-governance, community relationships, and — as of June 2024 — commitment to diversity and equity (Principle 8).[19] The accreditation cycle is 7–10 years with a 2-year self-study phase and external peer review. Approximately two-thirds of accredited Waldorf schools also hold accreditation from a regional accreditor (NAIS, WASC, NEASC).[20]

WECAN has three membership tiers: Registered Initiative (entry-level), Associate Member (self-study against shared principles), and Full Member (deeper self-study plus peer review). Lead early childhood teachers at WECAN programs must complete a WECAN-recognized training program of at least 450 contact hours.[21]

“Waldorf-inspired” programs

As with Montessori, programs can use “Waldorf-inspired” without any affiliation. These programs may adopt selective elements (nature play, wooden toys, arts emphasis) without trained teachers, external review, or the full pedagogical framework. Approximately 50+ public “Waldorf-inspired” schools operate under the Alliance for Public Waldorf Education, which has its own separate set of core principles.[22]

What the research says

A 2024 review in Frontiers in Education found that several Waldorf early childhood practices — prioritizing social-emotional development before academics, sensory-friendly environments, free creative play, and nature connection — align with current developmental science. The AAP recommends unstructured play as essential for healthy brain development; research on nature exposure shows benefits for attention and stress reduction.[23]

Studies of Waldorf students at the elementary level show a pattern: lower standardized test scores in 2nd–3rd grade compared to peers, followed by catch-up and often outperformance by 7th–8th grade. A 2016 study found Waldorf students demonstrated higher motivation and enthusiasm for learning.[24]

Documented concerns

Vaccination rates. A 2023 systematic review in BMC Public Health analyzed 27 papers and found 18 measles outbreaks between 1997 and 2011 associated with anthroposophic communities across 5 European countries; 8 of 18 started at Waldorf schools. A 1999 Swedish study found 18% MMR vaccination at Waldorf schools compared to 93% nationally. Public Health England has classified Steiner schools as an “under-vaccinated population group.”[25] A 2015 ethnographic study found that anti-vaccination views among parents intensify the longer they are part of a Waldorf school community.[26]

Delayed literacy instruction. Waldorf kindergartens do not teach reading, writing, or arithmetic; formal instruction begins at age 7. Research in reading science indicates that 30–40% of children require explicit phonics instruction to become fluent readers, which traditional Waldorf approaches may not provide in the early years.[23]

Philosophical roots. Waldorf education is grounded in anthroposophy, a spiritual-philosophical system developed by Rudolf Steiner. The first AWSNA principle states that “the image of the human being as a spiritual being informs every aspect of the school.”[19] AWSNA has acknowledged that Steiner “made statements that reflect harmful assertions regarding race and ethnicity” and added Principle 8 (diversity, equity, inclusion) in 2024 as a formal corrective.[27]

NAIS, Cognia & Regional Accreditors — Independent Schools

NAIS (National Association of Independent Schools) is a membership association representing over 1,600 nonprofit independent schools.[31] NAIS is not itself an accreditor. To be a full NAIS member, a school must hold accreditation from one of approximately 20 approved accrediting bodies (ISACS, NWAIS, CAIS, SAIS, NYSAIS, and others) belonging to ICAISA.[28]

Cognia (formerly AdvancED, formed from a merger of NCA CASI and SACS CASI, rebranded 2019) accredits approximately 36,000 institutions across 85 countries, including public schools, charter schools, and private schools. Cognia also offers a standalone early learning accreditation track with 32 purpose-built standards and approximately 1,200 accredited early learning programs.[29]

Regional accreditors (WASC, NEASC, MSA) primarily accredit K–12 and postsecondary institutions. WASC explicitly states it does not accredit standalone preschool programs — it covers preschool only when it is part of a multi-grade school.[30]

What this means for preschools

When a preschool says it is “NAIS member” or “ISACS accredited,” it nearly always means the preschool is a division of an accredited K–12 independent school. The preschool program was not independently evaluated against early-childhood-specific standards. The visiting team evaluates the entire school and may or may not include members with early childhood expertise.[30]

Cognia is the exception. Its early learning standards were purpose-built for preschool and childcare contexts, covering child development, family engagement, health and safety, and learning environment — more comparable to NAEYC than to K–12 accreditation.[29]

What the research says

No published research links independent school accreditation (NAIS membership, ISACS or NWAIS accreditation) specifically to better preschool outcomes. Structural quality indicators associated with independent schools — higher teacher pay, smaller classes, better facilities — do correlate with quality, but this reflects institutional resources rather than accreditation status itself.[6]

Median tuition at NAIS schools was $31,088 in 2024.[31] These accreditations are concentrated in private schools charging $15,000–$40,000+ per year.

Can a preschool hold both?

Yes. A preschool within an ISACS-accredited K–8 school can independently pursue NAEYC accreditation. This is uncommon, but when it occurs, it means the early childhood program has been evaluated against ECE-specific standards in addition to the school-wide review.

NAFCC — Home-Based Childcare

National Association for Family Child Care. The only nationally recognized accreditation designed specifically for family child care homes (home daycares). Evaluates five content areas: relationships, the home environment, developmental learning activities, safety and health, and professional and business practices.[32]

How many programs have it

NAFCC accreditation is rare. Minnesota data from 2012 shows fewer than 1% of licensed family child care providers in that state were NAFCC accredited.[33] NAFCC does not publish a national count of currently accredited homes.

Process and cost

The process includes a self-study phase (6 months minimum, 3 years maximum), followed by an unscheduled on-site observation lasting 4–6 hours. The initial accreditation bundle costs $1,085 for a 5-year cycle. NAFCC offers a scholarship program for qualifying providers.[34]

For a solo home daycare provider with annual revenue of $30,000–$60,000, the fee and documentation burden are significant. The process requires extensive written evidence submitted through an online portal — a barrier for providers without strong literacy, technology access, or English proficiency.[34]

What the research says

NAFCC standards are described as research-based, developed with input from Western Oregon University researchers and early childhood experts.[35] No large-scale randomized or quasi-experimental study has been published demonstrating that NAFCC-accredited homes produce measurably better child outcomes than non-accredited licensed homes. The evidence base is thin compared to NAEYC or Montessori research.

State Quality Ratings (QRIS) by City

Most states operate a Quality Rating and Improvement System (QRIS) that assigns quality ratings (typically 1–5 levels) to childcare programs based on criteria beyond basic licensing: staff qualifications, classroom environment, curriculum, family engagement, and administration. Participation is usually voluntary.

What the research says about QRIS

The federal Office of Planning, Research, and Evaluation (OPRE) synthesized 10 QRIS validation studies and found that ratings do differentiate programs at lower vs. higher quality levels, with differences in environments, interactions, and activities. However, differences in observed quality between rating levels were generally small. Evidence linking ratings to child developmental outcomes was inconsistent: 3 of 6 studies found associations with some executive function measures, and 4 found selective associations with some social-emotional measures, but no study found consistent, broad associations across all developmental domains.[42]

A RAND Corporation review concluded: “QRISs, as currently configured, do not necessarily capture differences in program quality that are predictive of gains in key developmental domains.”[43]

Fewer than 50% of child care centers participate in QRIS in 17 of the systems studied. Approximately 33% of centers nationally participated as of 2012.[44]

QRIS and accreditation overlap

In most state QRIS systems, NAEYC and NAFCC accreditation counts toward meeting some or all quality criteria. Only 2 states (New Hampshire and Montana) accept accreditation alone as sufficient for a top rating. In most states, accredited programs still need to complete additional QRIS-specific documentation or assessments.[45]

What Holds True Across All Accreditations

Accreditation measures structural quality, not process quality

Every accreditation body evaluated in this guide measures what researchers call structural quality: policies, credentials, ratios, governance, curriculum documentation, and physical environment. None directly measures process quality — the warmth, responsiveness, and skill of actual caregiver-child interactions in the classroom. Research consistently identifies process quality as the strongest predictor of child developmental outcomes.[6]

Penetration rates are low across the board

Over 6,500 programs hold NAEYC accreditation out of more than 120,000 center-based providers nationally.[2] AMS and AMI together accredit or recognize roughly 424 schools out of 4,000–5,000 using the Montessori name.[11][12] In Minnesota, fewer than 1% of licensed family child care homes held NAFCC accreditation.[33] The barriers are cost, time, language, and institutional resources.

Accreditation is a point-in-time snapshot

Accreditation cycles range from 5 to 10 years depending on the body. Staff turnover, leadership changes, and financial shifts between cycles can change program quality without triggering reassessment. Annual monitoring between cycles is typically self-reported.[8]

At-a-Glance Comparison

Sources

Every factual claim in this guide is grounded in a published source. Full citations below.

• 1. NAEYC, “The 10 NAEYC Program Standards”
• 2. NAEYC, “Re-Envisioning NAEYC Accreditation: Advancing Equity and Accessibility” (Winter 2024)
• 3. Pennsylvania ELRC, “NAEYC System Changes”
• 4. Annie E. Casey Foundation, KIDS COUNT: Child Care Centers that are NAEYC Accredited
• 5. Whitebook, M., Sakai, L., Howes, C. (2004). “Improving and Sustaining Center Quality: The Role of NAEYC Accreditation and Staff Stability.” Early Education and Development, 15(3).
• 6. AEFP, “Quality in ECE” — Live Handbook of Education Policy Research
• 7. NAEYC, “Early Learning Program Accreditation Fees”
• 8. NAEYC, “Maintaining Your Accreditation” (PDF)
• 9. AMI/USA, “AMI Standards”; AMS, “AMS Accreditation”
• 10. MACTE, “Montessori Accreditation Council for Teacher Education”
• 11. Hechinger Report, “Will the Real Montessori Please Stand Up?”
• 12. AMS, “AMS School Accreditation”
• 13. Lillard, A.S. (2012). “Preschool Children’s Development in Classic Montessori, Supplemented Montessori, and Conventional Programs.” Journal of School Psychology, 50(3).
• 14. Lillard, A.S. & Else-Quest, N. (2017). “Montessori Preschool Elevates and Equalizes Child Outcomes.” Frontiers in Psychology.
• 15. Campbell Collaboration / PMC (2023). Systematic review of Montessori education outcomes, 32 studies, 1970–2020.
• 16. Guidepost Montessori, “What Makes a Montessori School Authentic”
• 17. AWSNA, “Association of Waldorf Schools of North America”
• 18. WECAN, “About WECAN”
• 19. AWSNA, “AWSNA Principles”
• 20. AWSNA, “Accreditation Guide” (PDF)
• 21. WECAN, “Expectations for Training”
• 22. Alliance for Public Waldorf Education, “Core Principles”
• 23. Taplin (2024). “Waldorf Early Childhood Care and Education in the 21st Century.” Frontiers in Education.
• 24. IES / REL Midwest, “What does the research say about Waldorf curricula?”
• 25. Herzig van Wees, S. et al. (2023). “Anthroposophy and vaccine hesitancy: systematic review.” BMC Public Health.
• 26. Sobo, E.J. (2015). “Social Cultivation of Vaccine Refusal and Delay among Waldorf School Parents.” Medical Anthropology Quarterly.
• 27. AWSNA, “DEI Statement and Plan”
• 28. NAIS, “School Membership Criteria”
• 29. Cognia, “Early Learning Accreditation”; “Performance Standards for Early Learning” (PDF)
• 30. ACS WASC, “Frequently Asked Questions”
• 31. NAIS, “Facts at a Glance”; Education Data Initiative, “Average Cost of Private School”
• 32. NAFCC, “Quality Standards for NAFCC Accreditation”
• 33. NAFCC, “Family Child Care Research and Data”
• 34. NAFCC, “Accreditation FAQ”
• 35. NAFCC, “Elevating Family Child Care through Accreditation”
• 36. WA DCYF, “Early Achievers Rating System”
• 37. IL DHS, “ExceleRate Illinois”
• 38. Colorado Shines, “Overview of the Ratings Process”
• 39. NC DHHS, “QRIS Modernization”
• 40. TWC, “About Texas Rising Star”
• 41. MO DESE, “Quality Assurance Report”; KS Child Care Aware, “Links to Quality”
• 42. OPRE / ACF, “Validation of Quality Ratings Used in QRIS: Synthesis”
• 43. RAND Corporation, “Quality Rating and Improvement Systems: Second Generation”
• 44. Child Trends, “Insights on QRIS” (2024, PDF)
• 45. NAEYC, “Accreditation, QRIS, and Tiered Reimbursement”

Last updated March 16, 2026. Questions or corrections: [email protected]