Minnesota childcare licensing: the 9503 ratios, training hours, and the new 142B chapter numbers
If you run a licensed child care center in Minnesota, your rulebook lives in two places: Minnesota Rules, chapter 9503 (the center rules — ratios, staffing, records) and Minnesota Statutes, chapter 142B (the licensing statute). If that second number looks unfamiliar, it should: in 2024 the legislature created the new Department of Children, Youth, and Families (DCYF) and recodified the old chapter 245A licensing standards into chapter 142B. Licensing itself moved from DHS to DCYF on June 18, 2025. The requirements were renumbered, not substantively changed — but any guide still citing “245A” numbers for these provisions is quoting a chapter that no longer holds them.
I went through the current rules and statutes while building a childcare platform, so this is the version I wish existed: the requirements that actually come up, with citations, so you can verify everything against revisor.mn.gov. This isn’t legal advice; it’s a map. When in doubt, the rule itself wins.
(Disclosure: I’m the founder of TinyGuard, a childcare platform. The requirements below are the state’s, not ours — they’re true whether you track them on paper or in software.)
First, the trap: two different sets of age definitions
Minnesota has two definitions of “infant,” “toddler,” and “preschooler,” and mixing them up is the most common error in secondary write-ups. The statute’s definitions (Minn. Stat. § 142B.01, subd. 13 — infant under 12 months, toddler 12–24 months) serve family and group family day care under Rules chapter 9502. Licensed centers use Minn. R. 9503.0005, subp. 2:
- Infant — 6 weeks to under 16 months
- Toddler — 16 months to under 33 months
- Preschooler — 33 months to the first day of kindergarten
- School-age — eligible for or attending kindergarten within 4 months, under 13
There’s also a flexibility valve most directors don’t know is written down: with agreement between the parent, teacher, and director, a child may be kept in the infant category to 18 months or the toddler category to 35 months (Minn. R. 9503.0040, subp. 4).
Ratios and group sizes (Minn. R. 9503.0040)
Like Texas and California, Minnesota sets both a staff-to-child ratio and a maximum group size for centers:
| Age category (9503.0005) | Ratio | Max group size |
|---|---|---|
| Infant (6 wks–16 mo) | 1:4 | 8 |
| Toddler (16–33 mo) | 1:7 | 14 |
| Preschooler (33 mo–K) | 1:10 | 20 |
| School-age | 1:15 | 30 |
Mixed-age rules are strict: infants may not be grouped with older children, a group may span at most 36 months of age (waivable only if everyone is school-age), and in any mixed-age group the ratio and group size of the youngest child present govern (Minn. R. 9503.0040, subp. 1). As in every state, the ratio is the most-cited standard at inspection — and the hardest to prove after the fact, because it’s a claim about every hour of every day, not a document in a file.
Staff qualifications (Minn. R. 9503.0032–.0034)
Minnesota runs a three-tier staffing model, each tier with its own qualification pathways:
- Teacher (9503.0032) — at least 18, qualified through one of nine pathways that trade credits against experience hours: a CDA credential plus 1,560 hours, a high-school diploma plus 4,160 assistant-teacher hours and 24 quarter credits, a bachelor’s in any field plus 1,040 hours and 18 quarter credits — or an MDE pre-K/elementary teaching license, which qualifies outright.
- Assistant teacher (9503.0033) — at least 18, works under a teacher’s supervision; pathways include a CDA credential alone, or a diploma plus 2,080 aide hours and 12 quarter credits.
- Aide (9503.0034) — may be 16, works under supervision; aides under 18 need direct supervision except in narrow cases (sleeping children; washing, toileting, diapering).
Training hours (Minn. Stat. § 142B.65)
The training statute — formerly § 245A.40 — now sets fixed annual hours rather than the old percentage-of-hours-worked formula:
- In-service: 24 hours per calendar year for the director and any staff working more than 20 hours/week; 12 hours for staff at 20 hours/week or less; at least 2 hours for substitutes and unsupervised volunteers (subd. 9).
- Pediatric first aid and CPR: each before unsupervised contact with a child and within 90 days of starting, then refreshed at least every other calendar year (subds. 4–5).
- Child development and learning: 2 hours within 90 days, repeated every other year (subd. 3).
- SUID prevention: at least 30 minutes at orientation and annually, before caring for infants (subd. 6).
- Abusive head trauma: at least 30 minutes at orientation and annually, before caring for children under school age (subd. 7).
The hours aren’t the hard part — the per-person, per-year log is what the licensor reads.
Inspections: at least annual, and don’t expect a warning
The statute sets the floor: the commissioner or county “shall inspect at least once each calendar year” every licensed child care provider (Minn. Stat. § 142B.10, subd. 11(e)), and licensing staff have access to the center without prior notice for inspections and investigations (subd. 12). DCYF describes routine center licensing inspections as unannounced, with first-year centers getting four visits — the first an announced technical-assistance visit, the rest unannounced. The only strategy that works with no-notice inspections is the boring one: be ready as a steady state.
Records (Minn. R. 9503.0125)
Each child’s record must contain thirteen required elements — enrollment and health information, immunization record, emergency contacts, the child’s scheduled days and hours of attendance, and (for infants and toddlers) individual care habits among them. One honest note you won’t find in most write-ups: the center rule does not set a specific retention period after a child leaves. Anyone quoting you a hard “keep records for X years under 9503” number is inventing it — retention obligations come from other sources (subsidy programs, insurers, litigation holds), so ask your licensor and carrier rather than trusting a blog, including this one.
Background studies (Minn. Stat. ch. 245C)
Background studies stayed in chapter 245C through the recodification. Every license holder, employee, and other covered person needs a study before unsupervised direct contact, run through NETStudy 2.0: classifiable fingerprints and a photograph, recorded by the state’s authorized fingerprint vendor and submitted through the commissioner’s secure system — and the fingerprints may not be retained afterward (Minn. Stat. § 245C.05, subd. 5). The system tells the center immediately whether the person is already eligible from a prior study or needs a new one.
The camera law (Minn. Stat. § 142B.68) — conditional, not universal
Minnesota made national news with its child care camera statute, and the coverage got two things wrong at once. First: it does not require every daycare to install cameras. The requirement is triggered for a center that has been required to post a maltreatment-investigation memorandum; that center must then run video security cameras for four years — at least one camera per infant and toddler room, 720p/15fps minimum, continuous recording during operating hours, 28-day retention (six months for reportable incidents), logged access, parent notice, and exact-wording entrance signage. Second: the “90-day retention” figure floating around secondary write-ups isn’t in the statute. We keep a full plain-English breakdown — verified against the statute, with a free printable entrance-sign template — on our Minnesota camera law page.
One practical note if the law does reach you: 28 days is a floor, and camera systems priced per-gigabyte get expensive exactly when retention windows grow. (It’s why our per-camera pricing is a flat rate by retention tier — a camera-law state just means picking the tier at or above your floor.)
The pattern behind all of it
Same two piles as Texas and California. One pile is have the thing: the signed enrollment record, the immunization form, the background study, the training certificate. The other pile is prove it happened over time: ratio in the toddler room every hour of the year, the per-person training log, drills, incident documentation — and, if 142B.68 reaches you, 28 unbroken days of footage. The second pile is the one that eats a director’s week, because reconstructing it by hand is real work even when the center did everything right.
Where TinyGuard fits (briefly)
(Short, as always.) The “prove it over time” pile is the reason TinyGuard exists: check-ins compute the ratio record as they happen, training and staff records live in their own modules, incident reports are auto-numbered and parent-signed, and — relevant in Minnesota specifically — camera retention is a per-camera setting you pick to match your obligation, held without gaps. When the licensor arrives, you export the packet instead of rebuilding the year. We’re pre-launch and honest about it — no paying-customer testimonial to show you yet, but the export is real and built. The numbers are on the pricing page, no demo required to see them.
The short version
Minnesota center licensing lives in Rules 9503 and Statutes 142B (not 245A anymore). Use the center age definitions (9503.0005), not the family-care ones. Ratios: 1:4/1:7/1:10/1:15 with group caps of 8/14/20/30, youngest child governs in mixed groups. Training: 24 hours a year full-time (12 part-time), first aid/CPR every other year, SUID and abusive-head-trauma annually. Inspections: at least yearly, no notice expected. The camera law is real but conditional — triggered by a maltreatment memorandum, 28-day retention, not 90. Keep the “have the thing” documents current, let the “prove it over time” records accumulate on their own, and the unannounced visit is just a Tuesday.
— Del Peck Founder, TinyGuard
Every figure above is drawn from the current text at revisor.mn.gov (Minn. R. 9503; Minn. Stat. §§ 142B.01, 142B.10, 142B.65, 142B.68; ch. 245C) and DCYF licensing guidance. Rules get revised — and DCYF has a regulation-modernization review underway — so confirm current numbers against the source or your licensor before relying on them.
Running a center in another state? Same breakdown for Texas and California, Florida, New York, Illinois, Pennsylvania, Ohio, Georgia, North Carolina, Michigan, New Jersey, Virginia, Washington, and Massachusetts.
TinyGuard puts cameras, care logging, billing, and compliance on one on-site box. Book a 15-minute demo or see the pricing.