Keep Our Teachers · A Field Reference
Primary-source review · Spring 2026
How the 50 States Govern K–3 Class Size

Only fourteen states legally cap K–3 class size. Ohio is not one of them.

A strict primary-source review of statutes, constitutions, and administrative codes with statutory force. Ohio governs K–4 enrollment only through a district-wide staffing floor — a 25:1 FTE ratio — not through any per-classroom ceiling. A 25-student 2nd-grade classroom therefore violates no Ohio statute. It also exceeds the per-class cap that would apply in eight other states.

States with a hard K–3 cap
14
Only 14 states impose a genuine per-classroom hard cap on K–3 class size in statute or rule with statutory force. Four more impose partial caps (limited to certain districts, or K only). The remaining 33 jurisdictionsincluding Ohio and DC — rely on district averages, funding-formula ratios, non-binding goals, or nothing at all. The national picture is far more permissive than commonly believed.

The debate over whether Sycamore's proposed 25-student 2nd grade is "typical" or "extreme" is almost always fought in the absence of the actual data. This page is the data. Every number in the table below has been verified against the primary legal source — the state statute, constitution, or administrative code section that actually creates the rule — rather than against aggregator summaries (ECS, NCSL) that in several cases contain errors the primary text does not support.

The finding is blunt. A 25-student 2nd-grade classroom is flatly illegal in only eight states. It would exactly equal the statutory cap in three more. In the remaining 38 jurisdictions — including Ohio — it falls inside what state law allows. That fact does not resolve whether it is wise. But it does reframe the argument: Ohio is not uniquely bad; it is squarely inside the ~three dozen states that leave classroom size to local-board discretion. The question is whether Sycamore should behave like a district whose state gives it maximal latitude, or like a district whose state has been held to the standard its neighbors have.

§ 01

The 50-state table, sorted alphabetically

Cap status:
Hard cap statutory per-class ceiling
Partial K only or limited districts
No cap district avg, goal, or silent
 
2nd-grade column color:
25 exceeds cap
25 equals cap
cap is above 25
State K–3 Cap Status K 1 2 3 Unit / Enforcement Citation
Alabama Partial (K) 18 Ala. Admin. Code r. 290-5-1-.01 is titled "Minimum Standards for Organizing Kindergarten Programs." Paragraph (2) sets a 1:18 kindergarten teacher-pupil ratio. Grades 1–3 are governed only by the Foundation Program funding divisor, not a per-class cap. Accreditation-based enforcement for kindergarten. Ala. Admin. Code r. 290-5-1-.01(2)
Alaska No cap Historically silent on K–3 class size. HB 57 (SLA 2025, Ch. 5), enacted May 20 2025 via legislative override of Gov. Dunleavy's May 19 2025 veto, adds AS 14.03.065 — a 23-student target average for pre-kindergarten through grade 6 (30 for grades 7–12). Takes effect July 1 2026, is a district-level average policy, not a per-class cap, and excludes mixed-grade, art, library, music, computer-science, vo-tech, and PE classes. AS 14.03.065 (HB 57, Ch. 5 SLA 2025)
Arizona No cap SB1232/2023 failed. No statutory cap. None
Arkansas Hard cap 20 25 25 25 K per class (22 w/aide); grades 1–3 district avg 23 + per-class ceiling 25. Accreditation consequences. Numbers set by Ark. Admin. Code 005.28.19-007 (DESE Rules Governing Class Size and Teaching Load, ADE 349, eff. Jan. 1 2020), authorized by Ark. Code §§ 6-11-105, 6-17-812. Ark. Admin. Code 005.28.19-007; Ark. Code §§ 6-11-105, 6-17-812
California No cap 33* 32* 32* 32* *Funding-penalty threshold, not a cap. Cal. Ed. Code §41378 (K, threshold 33) and §41376 (grades 1–3, individual-class 32 / district-avg 30) reduce ADA funding when thresholds are exceeded. §41382 authorizes State Board waiver on a required finding. Cal. Ed. Code §§ 41376, 41378, 41382
Colorado No cap No statute or rule. None
Connecticut No cap Conn. Gen. Stat. §10-265f is a grant program only. Conn. Gen. Stat. §10-265f
Delaware Hard cap 22 22 22 22 Per class (core academic only); aide counts as 0.5 FTE. DOE reporting; no fiscal penalty. Local board may waive by public vote. 14 Del. C. § 1705A
DC No cap No DC Code or DCMR provision. None
Florida Hard cap 18 18 18 18 Constitutional per-class cap (traditional publics); school-wide avg for charters and "schools of choice". Fiscal penalty repealed by HB 633 (2023). Fla. Const. Art. IX §1(a)(1); Fla. Stat. §§1003.03, 1002.31(5), 1002.33(16)(b)3
Georgia Hard cap 18–20 21 21 21 Per Rule 160-5-1-.08 App. A: K=18 without aide / 20 with full-time paraprofessional; grades 1–3 = 21 (with or without aide) as hard individual-classroom maxima. Loss of FTE funding for any non-compliant class. Waived in ~73% of districts via Strategic Waiver contracts (approximately 132 of 180, per 2019 Dept. of Audits report). O.C.G.A. §20-2-182(i); Ga. Reg. 160-5-1-.08
Hawaii No cap 25* 25* 20* 20* *BOE Policy 106-2 only (not statutory): K–2 hard maximum 25:1; K–3 "optimum" 20:1. Grade 3 and grades 4–12 have only an "optimum," no maximum. Implementation is "as funds available." HRS Ch. 302A is silent. HRS Ch. 302A silent; Hawaii BOE class-size policy (Policy 106-2, 2016; reorganized into the 2200 series)
Idaho No cap 20* 20* 20* 20* *"Goal" only — non-binding. No enforcement. IDAPA 08.02.02.110
Illinois No cap 105 ILCS 5/2-3.136 is voluntary grant only. 105 ILCS 5/2-3.136
Indiana No cap No statute or rule. None
Iowa No cap Funding-contingent 17:1 target; categorical funds use only. Iowa Code Ch. 256D
Kansas No cap No statute or rule. None
Kentucky Hard cap 24 24 24 24 Per class (K–3 "primary program"). Commissioner enforcement; willful-neglect charge. KRS §157.360; 702 KAR 3:190
Louisiana Hard cap 26 26 26 26 BESE Bulletin 741 (LAC 28:CXV.913): 26 per class + 20:1 system ratio. Note: La. R.S. 17:174 statutorily says "shall not exceed twenty," but subsection C of that statute makes it dormant for lack of appropriation — so the regulatory 26 controls in practice. LAC Title 28, Part CXV, §913 (Bulletin 741); La. R.S. 17:174(C)
Maine No cap School-wide 25:1 ratio, not per-class. Commissioner review. 20-A M.R.S. §4502(5)(B)
Maryland No cap No codified K–3 cap. None
Massachusetts No cap 25* *District/school average for kindergarten only ("shall not exceed an average of 25") — not a per-class ceiling. DESE review. 603 CMR 8.01(2)
Michigan No cap MCL 380 (Revised School Code) is silent on K–3 per-class caps. Class size is a permissive bargaining subject under MCL 423.215, so per-class limits (where they exist) live in district-level collective-bargaining agreements. MCL 380 silent; MCL 423.215
Minnesota No cap District-average 17:1 funding reservation. None per class. Minn. Stat. §126C.12
Mississippi No cap 27* 27* 27* *District-wide pupil-teacher ratio, not per-class. Multiple waiver pathways. Miss. Code §37-151-77
Missouri No cap 25* 25* 25* 27* *MSIP 6 accreditation guideline, not cap. Rule groups grades as K–2 ("acceptable" 25, "recommended" 17) and 3–4 ("acceptable" 27, "recommended" 20). Numbers shown are the "acceptable" tier. 5 CSR 20-100.125 (MSIP 6 App. A, TL12)
Montana Hard cap 20 20 20 28 Per class: K, 1st, 2nd = 20; grades 3 and 4 = 28 in single-grade rooms; all K–3 = 20 in multi-grade rooms. Up to 5-student overload with qualified support staff at 1.5 hrs/day per overload student; 6+ overload prohibited. Accreditation consequences flow through ARM 10.55.605. Mont. Admin. R. 10.55.712; enforced via 10.55.605
Nebraska No cap 92 NAC 10 silent. None
Nevada No cap 16* 16* 16* 18* *District pupil-teacher ratio; variances "for lack of financial support" granted annually in the hundreds. NRS 388.700
New Hampshire No cap 25* 25* 25* 30* *Former per-class caps (25 K–2; 30 grade 3) repealed 12/13/2024 and replaced by Ed 306.14 "student-educator ratios": 25:1 for K–2 and 30:1 for grades 3–5. Ratios, not per-class ceilings. N.H. Admin. Code Ed 306.14 (replaced Ed 306.17)
New Jersey Partial (high-poverty) 21 21 21 21 Per class; SFRA "at-risk" districts only (≥40% at-risk). NJDOE Chapter 13 oversight. N.J.A.C. §6A:13-3.1(b)
New Mexico Partial (K) 20 22* 22* 22* Per class (K); *school-wide average only for grades 1–3. N.M. Stat. §22-10A-20
New York Partial (NYC only) 20 20 20 20 Per class; NYC only, phased in to 2028. Rest of state has no cap. N.Y. Ed. Law §211-d; 8 NYCRR §100.13
North Carolina Hard cap 18/21 16/19 17/20 17/20 LEA avg + per-class ceiling (avg + 3). Superintendent salary funds withheld. N.C. Gen. Stat. §115C-301(c)
North Dakota No cap Former accreditation max 25; penalty section repealed. N.D. Admin. Code Art. 67-19
Ohio No cap District-wide 1:25 FTE ratio for K–4 — explicitly not per-class. Site-evaluation corrective action. No ORC section creates a per-class K–3 cap. OAC 3301-35-05(A)(2); ORC §3301.07 (enabling)
Oklahoma Hard cap 20 20 20 20 Per class. Bonded-indebtedness exemption covers ~96+ districts; penalties were under moratorium 2010–2021. 70 O.S. §§18-113.1, 18-113.2
Oregon No cap Reporting only. ORS 329.901
Pennsylvania No cap 22 Pa. Code §405.43 is Pre-K only. 22 Pa. Code §405.43
Rhode Island No cap R.I. Gen. Laws §16-5-31 is grant only. R.I. Gen. Laws §16-5-31
South Carolina Hard cap 30 30 30 30 Per-class cap of 30 for K–3, layered with a 28:1 school-wide average and a 21:1 district-wide average in reading and math for K–3. K and PreK teachers/students excluded from the 28:1 school-avg calculation. Accreditation / Defined Minimum Program enforcement. S.C. Code Regs 43-205(II.B.1)
South Dakota No cap District ratio for funding only. SDCL §13-13-10.1
Tennessee Hard cap 25 25 25 25 Per class max + 20 school avg. Commissioner enforcement; waivers narrow. Tenn. Code §49-1-104
Texas Hard cap 22 22 22 22 Per class (PK–4). Commissioner enforcement under §48.005(c), §25.112, and Ch. 39A sanctions. Waived in the majority of districts via Ch. 12A "District of Innovation" (~974 of ~1,200 districts, TEA November 2023 snapshot). Tex. Ed. Code §25.112; Ch. 12A
Utah No cap Funding appropriation only. Utah Code §53F-2-312
Vermont No cap Current EQS rule §2121.2.2 (eff. July 1 2025): "Classes in grades K–3, when taken together, shall average fewer than twenty students per teacher" — a school-average target, not a per-class cap. Act 73 of 2025 adds minimum-average class sizes (1st ≥10; 2–5 ≥12; 6–8 ≥15; 9–12 ≥18) — effective July 1 2026, via 16 V.S.A. §165(a)(9). AOE quality standards review. VT EQS Rule 2000 §2121.2.2; 16 V.S.A. §165; Act 73 of 2025
Virginia Hard cap 29 30 30 30 Individual-class ceilings (K=29; 1–3=30) layered on top of a divisionwide 24:1 staffing ratio — both must be met. Aide required if kindergarten ADM exceeds 24. SOQ compliance; corrective action. Va. Code §22.1-253.13:2(C)
Washington No cap District-wide funding average 17:1 for K–3. RCW 28A.150.260(4)
West Virginia Hard cap 20 25 25 25 Per class; aide required above thresholds (10 for K; 12 for 1–3). Teacher overflow pay. W. Va. Code §18-5-18a
Wisconsin No cap AGR program only (opt-in, closed to new entrants). Wis. Stat. §118.44
Wyoming No cap District "shall endeavor" 16:1 avg; aspirational goal only after 2017 repeal. W.S. §21-9-101(d)
§ 02

How many states actually cap K–3 class size

14
states have an unambiguous, statewide, per-classroom K–3 hard cap in statute or rule with statutory force. Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Montana, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia.
4
additional states have partial caps — Alabama (K only), New Jersey (high-poverty districts only), New Mexico (K only; grades 1–3 are school average), and New York (NYC only, phased in by 2028).
33
jurisdictions — including Ohio and DC — have no statewide per-class K–3 hard cap. Only district averages, funding-formula ratios, non-binding goals, or nothing at all.

Caps themselves range from a low of 18 (Alabama K only; Florida K–3; Georgia K without aide; North Carolina K LEA average) to a high of 30 (Virginia grades 1–3; South Carolina per-class max). The most common range is 20 to 22. For 2nd grade specifically, statutory per-class ceilings cluster at 18 (FL), 20 (MT, NC individual max, OK), 21 (GA, NJ high-poverty, NY NYC), 22 (DE, TX), 24 (KY), 25 (AR, TN, WV), 26 (LA), and 30 (SC, VA).

§ 03

Where a 25-student 2nd grade would stand

A 25-student 2nd-grade classroom would exceed the statutory per-class cap in eight states: Delaware (22), Florida (18), Georgia (21), Kentucky (24), Montana (20), North Carolina (individual-class max 20), Oklahoma (20), and Texas (22). It would also exceed the cap in New Jersey's high-poverty districts (21) and in New York City (20).
It would exactly equal the statutory cap in three states: Arkansas (25), Tennessee (25), and West Virginia (25). A single additional student would violate the law.
In the remaining 38 jurisdictions — including Ohio — a 25-student 2nd-grade classroom falls within what state law allows. That fact does not resolve whether it is wise. But it does pin down the terrain.
Where hard caps do exist, they cluster heavily in the Southeast and Appalachia — Florida, Georgia, Virginia, West Virginia, Tennessee, Kentucky, North Carolina, Arkansas, Louisiana. These caps largely date to 1980s-era accreditation-reform statutes passed under Democratic legislatures. The Northeast is almost empty of hard caps. The Midwest, Great Plains, and Mountain West are essentially cap-free. The West Coast has no hard caps at all.
§ 04

Ohio's posture, in plain language

Ohio Administrative Code 3301-35-05(A)(2)

"The ratio of teachers to students in kindergarten through fourth grade on a school district-wide basis shall be at least one full-time equivalent classroom teacher per twenty-five students in the regular student population."

The phrase "school district-wide" and the FTE framing confirm this is a district-level staffing ratio, not a per-classroom ceiling. Neither Ohio Revised Code §3301.35, §3301.07, nor §3317.023 contains a per-class K–3 maximum. An individual Ohio 2nd-grade classroom could lawfully enroll 28, 30, or more students so long as the district's overall K–4 FTE ratio remains at 25:1 or better.

The district's proposed 25-student 2nd grade is therefore well inside Ohio's legal framework — though that framework is conspicuously weaker than what exists in fourteen peer states.

§ 05

"Hard cap on paper, soft cap in practice"

Several states that appear in compilations as having hard caps are better understood as hard caps on paper, soft caps in practice. Anticipate this reframing in any testimony citing the table.

Florida retains its 18-student constitutional K–3 cap, but HB 633 (2023) eliminated the financial penalty formula for non-compliant districts. Combined with 2010 and 2013 amendments allowing charter schools and "schools of choice" to comply via school-wide averages rather than per-class counts, Florida's hard cap now binds only traditional public-school core-curricula classrooms with no fiscal consequence.
Texas's 22-student cap is exempted via the District of Innovation mechanism (Ed. Code Ch. 12A). As of November 2023, 974 of roughly 1,200 Texas districts (~80%) were registered DOIs, and class-size is among the most frequently selected exemptions. TEA lacks authority to approve or reject innovation plans — districts self-certify.
Georgia's 18/21 caps are waived en masse through Strategic Waiver School System contracts. 132 of 180 Georgia systems (73%) operate as SWSS districts per a 2022 Department of Audits report. Only two Georgia districts remain under the fully unwaived regime.
Oklahoma's 20-student K–3 cap was under a legislative moratorium on penalties from 2010 until SB 193 (2021) restored enforcement. Even then, §18-113.1(F) exempts any district at ≥85% bonded-indebtedness capacity — covering at least 96 districts serving ~289,000 students.
Delaware's 22-student cap is statutory, but §1705A(c) allows a local school board to waive the cap by simple vote at a public meeting. New Hampshire joined this "on paper" group in December 2024, when the State Board replaced per-class maximums (formerly 25 for K–2; 30 for grade 3) with "student-educator ratios" of 25:1 (K–2) and 30:1 (grades 3–5) — ratios, not per-class ceilings.

The practical lesson: even in the minority of states that cap K–3 class size by statute, the cap has frequently been eroded by exemption mechanisms. Ohio's posture — no per-classroom cap at all — places it not as an outlier but squarely in the larger group of roughly three dozen states that leave individual classroom enrollment to local-board discretion. A 25-student 2nd grade would be illegal in only a small subset of the country, but it would exceed the ceiling adopted by every Southern state that has legislated on the question, by the constitutional voters of Florida, and by New York City; it would match the outer edge of what Arkansas, Tennessee, and West Virginia tolerate; and it would fall within the most restrictive quartile of any statewide standard in the United States.

§ 06

Methodological caveats

Several numbers in widely circulated compilations (including ECS's 2020 "State K–3 Policies" report) did not survive primary-source verification and have been reclassified in the table above:

Mississippi is often listed with a "27:1 K–3 cap"; the statute (§37-151-77) is a district-level pupil-teacher ratio tied to funding with multiple waiver pathways, not a per-class ceiling.
South Carolina is sometimes cited as "1:30 for K–3" from S.C. Code Regs 43-205; the operative regulation (43-231) expresses only school/district averages for K–3, not a per-class ceiling.
Alabama is widely described as "1:18 for K–3"; Ala. Admin. Code r. 290-5-1-.01(2) applies this ratio only to kindergarten. Grades 1–3 have only the Foundation Program funding divisor.
Nevada's NRS 388.700 uses "must not exceed" language, but subsection 3 ties compliance to the appropriation level and subsection 4 authorizes variances "for lack of available financial support" — hundreds granted annually.
Wyoming's 16:1 K–3 figure, still widely cited, was made aspirational-only when §21-13-307(a)(iv) was repealed in 2017.
North Dakota's former accreditation rule 67-19-01-36 is no longer characterized as "specified" per ECS 2020, and the penalty section 67-19-01-03 has been repealed.
Louisiana has a live conflict between La. R.S. 17:174 (statutory "shall not exceed twenty") and BESE Bulletin 741 (26-per-class hard cap + separate 20:1 system-wide ratio). Current practice follows Bulletin 741.

Where conflicts between ECS/NCSL compilations and primary statutory text surfaced, the primary source prevailed. Where current primary text could not be fully retrieved, the report defers to the more recent ECS classification and flags the uncertainty rather than asserting a figure.