Princeton Montessori Academy · Preschool, Altadena
Princeton Montessori Academy was a licensed child care center in Altadena, CA, licensed for up to 48 children. Its license closed around September 2026. Since February 2021, the state inspected it 2 times and investigated 1 complaint, 0 substantiated, and issued 2 citations, 0 of them Type A. Its inspection history is kept here for reference.
Inspection history
Every state visit
What inspectors cited most
Citations, newest first
during this investigation, LPA conducted interviews with RP and Director, based on the information obtained the preponderance of evidence standard has been met child was left in soiled diaper. This poses a potential risk to the health and safety of children in care.
101226.3 Observation of the Child, Any unusual behavior, any injury or signs of illness requiring assessment and/or administration of first aid by staff shall be reported to the child's authorized representative and recorded in the child's record. This requirement is not met as evidence by 1 Per Director, Training has been provided to staff and S2 is no longer employed with the faciity. During this inspection, LPA obtained a copy of the staff recent trainings. Per Director, staff S2 was present 08/16 when the incident occurred and disclosed to the director that she did not inform RP of the incident the same day. RP was not informed of the incident until 08/18/2022 when S2 provided written incident report. This poses a potential risk to the health and safety of children in care. 8
Complaint investigations
About this center
Other licenses at this address
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Citations are quoted from California Department of Social Services inspection and complaint reports. Type A citations are the state’s most serious category (an immediate risk to children’s health, safety or personal rights); Type B citations are a potential risk. A citation is a finding about one rule, not a judgment about a center overall. Complaint allegations appear here only when the state substantiated them.
To read the full state reports, search facility number 198016620 on the California Care Facility Search. Data refreshed Oct 3, 2026.
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