California daycare staff-to-child ratios by age group
California sets teacher-child ratios for licensed Child Care Centers under Title 22, Division 12 (22 CCR 101216.3 preschool; 101416.5 infant centers; 101516.5 school-age; toddler component per former HSC 1596.956). Unlike most states, Title 22 does not set per-room maximum group sizes (the optional 18–36 month toddler component, capped at 12, is the exception). Family Day Care Homes have total enrollment caps. This guide covers every age group, aide staffing options, and rules for home-based providers.
Child Care Center ratios (Title 22, Division 12)
These ratios apply to all CDSS/CCLD-licensed Child Care Centers in California. Exceeding a ratio is a Title 22 violation; note that Title 22 sets no per-room group-size caps (license capacity and square footage govern room size).
| Age group | Ratio | Max group size |
|---|---|---|
| Infants (under 2 years — infant care center) | 1:4 (22 CCR 101416.5) | none set by Title 22 |
| Toddler component (18–36 months, optional) | 1:6 | 12 |
| Preschool (3 years to kindergarten) | 1:12 — or 1 teacher + 1 aide per 15; fully qualified teacher + qualified aide per 18 (22 CCR 101216.3) | none set by Title 22 |
| School age (kindergarten and up) | 1:14 — teacher + aide may supervise up to 28 (22 CCR 101516.5) | none set by Title 22 |
Source: California Code of Regulations Title 22, Division 12. Note: The 2-adult requirement for groups at the maximum group size means that for a full infant room of 8, both adults must be qualified caregivers — a director counting toward ratio must be physically in the room and actively supervising, not performing administrative duties.
Family Day Care Home enrollment limits
Small Family Day Care Home
- Maximum 8 children total at any time
- Provider's own children under age 10 who are present count toward the 8-child total
- No more than 4 of the 8 may be infants and toddlers under age 2 (unless a CCLD variance is granted)
- Only the licensed provider needs to be present — no additional adult required at or below 8 children
Large Family Day Care Home
- Maximum 14 children total at any time
- At least one additional paid adult caregiver required when more than 8 children are present
- Provider's own children under age 10 count toward the 14-child total
- Must have held a Small Family Day Care Home license for at least one year before operating as a Large
Free: California ratio quick-reference card
A printable one-page ratio reference card for every age group under Title 22 — post it in your director's office and every classroom.
Calculating ratios for mixed-age groups
When children from different age groups are served in the same room, California applies the ratio for the youngest age group present to the entire room — or uses a weighted calculation. The safest approach is to apply the most restrictive ratio (the youngest age group's ratio) to the entire group unless your program has been specifically approved for a mixed-age ratio by CCLD.
Example: mixed infant/toddler room
Room contains: 3 infants + 4 toddlers (7 children total)
Applying infant ratio (1:4) to the entire room: 7 ÷ 4 = 1.75 → round up to 2 staff required
Maximum group size for an infant room is 8 — this group of 7 fits within that limit.
Note: Consult your CCLD licensing analyst for specific mixed-age room guidance — regional offices may have specific requirements.
Ratios during naptime
California Title 22 ratios must be maintained during naptime for all age groups. A common CCLD inspection finding is reduced staffing during afternoon nap periods. One caregiver may be designated to supervise sleeping children while others take breaks, but the total number of qualified caregivers on-site must still equal the ratio requirement for the number of children present.
Sending staff home or allowing them to leave the premises during nap time when doing so would violate ratio is the most frequently cited ratio finding during CCLD inspections. Ratios apply even when children are sleeping.
Staff callouts and ratio coverage
If a staff member calls out sick, you must either bring in a qualified, background-cleared substitute before children arrive, or reduce your enrollment for that session to what the on-site staff can legally serve. You cannot operate above ratio with a plan to cover it later in the day. CCLD inspects unannounced — if an inspector arrives during a ratio violation, it is cited regardless of circumstances.
California requires all substitutes serving in ratio capacity to meet the same qualifications as regular caregiving staff, including completed Live Scan clearances. Maintain an active substitute list of cleared individuals who can cover on short notice. An uncompleted Live Scan disqualifies a substitute from counting toward ratio even if they are physically present.
Frequently asked questions
Does California set maximum group sizes in addition to ratios?
Mostly no — this is a common misconception. Title 22 sets teacher-child RATIOS for centers (22 CCR 101216.3, 101416.5, 101516.5) but does NOT set per-room maximum group sizes, with one exception: the optional toddler component (18–36 months) is capped at 12 toddlers with two teachers or one fully qualified teacher plus an aide. (Title 5 CSPP-funded programs and some accreditation standards do impose group sizes — those are separate from licensing.) Family Day Care Homes have total enrollment caps rather than per-room limits.
How does the 1:12 preschool ratio work for groups larger than 12?
The preschool teacher-child ratio is 1:12 (22 CCR 101216.3(a)) — 24 children in attendance require 2 teachers; 13–24 round up to 2. Title 22 also allows staffing options: one teacher plus one aide for every 15 children (101216.3(b)), and one fully qualified teacher plus one qualified aide for every 18 in a preschool program (101216.3(b)(1)). Title 22 does not cap the room's group size — capacity is governed by your license and square footage.
Do California ratios apply during outdoor play and field trips?
Yes. Title 22 ratios apply at all times the facility is operating — indoors, outdoors, during field trips, nap time, and meals. During transportation, the driver does not count toward ratio unless they are a qualified caregiver physically present with the children and not driving at the moment. A separate ratio-compliant caregiver must be present during vehicle transport if children are being supervised.
Can my own children be counted out of the ratio in a family day care home?
No — in California, the provider's own children under age 10 who are present during operating hours count toward the total enrollment for a Small Family Day Care Home. This means if you have 2 children under 10 at home during your operating hours, you can enroll only 6 additional children, not 8. Plan your private-pay enrollment carefully around your children's school schedules to maximize billable capacity.
What are the ratio requirements for school-age child care in California?
For school-age centers (kindergarten and up), 22 CCR 101516.5 requires one teacher per 14 children; with an aide, a teacher may have overall responsibility for up to 28 (one teacher and one aide per 28 in attendance). The 28 is a supervision cap, not a room group-size limit. This applies to before/after-school and school-break programs serving elementary-age children. If you serve both preschool-age and school-age children in the same space, you must apply the more restrictive ratio that governs the youngest age group present in that room.
What happens if CCLD finds a ratio violation during an inspection?
A ratio violation during a CCLD inspection is cited as a Class B deficiency on your compliance record. First violations result in a corrective action notice requiring documentation of your plan to prevent recurrence. Repeat ratio violations escalate — CCLD can require more frequent inspections, assess civil penalties, and in serious or repeated cases, initiate license revocation proceedings. All CCLD inspection records, including deficiencies, are public record.
Related guides
Official resources
Get the complete California ratios guide
The full guide covers every ratio scenario — mixed-age rooms, transportation, field trips, naptime, substitute coverage, and the exact Title 22 language CCLD inspectors use during inspections.
View the California ratios guide — $4.99Instant access after purchase · Last verified May 2026
Ratios reflect California Code of Regulations Title 22 as of May 2026. Verify current requirements at cdss.ca.gov. CloverMap is not affiliated with California CDSS or CCLD.