DISCOVERY WORLD MONTESSORI
Data Freshness & Provenance
Inspection coverage
7 inspections on record
Active providers
License status: LICENSED
Last refreshed
April 1, 2026
Latest inspection
February 5, 2026
Provenance
California licensing inspections and DaycareCheck scoring
Quick Facts
These facts are normalized from the official record so they can be quoted directly.
Updated April 1, 2026
- Provider
- DISCOVERY WORLD MONTESSORI
- License number
- Not listed
- Location
- 801 BREA CANYON RD, Diamond Bar, CA 91789
- Status
- LICENSED
- Safety grade
- C (Average), score 74.9/100
- Inspection record
- 7 inspections, last inspected February 5, 2026
- Provenance
- Official state licensing inspections and DaycareCheck scoring. Last refreshed April 1, 2026.
Safety Scorecard
28
Total Violations
Feb 5, 2026
Last Inspection
24
Capacity
Complaint History
1 complaint investigation on record.
1
Substantiated
0
Inconclusive
3
Unsubstantiated
Violation Timeline
Violations by month over the last 3 years, colored by severity.
All Violations (28)
Type B citation - potential risk if not corrected
Type B citation - potential risk if not corrected
(1) The center shall give each authorized representative a copy of the Personal Rights form (LIC 613A [9/96]).
(B) Staff shall physically check on sleeping infant(s) every 15 minutes and document the following:
(1) The center shall give each authorized representative a copy of the Personal Rights form (LIC 613A [9/96]).
(B) Staff shall physically check on sleeping infant(s) every 15 minutes and document the following:
Based on record review, the licensee did not comply with the section cited above in director and staff have current certificate, but the certificate is from an entitly that is not EMSA approved. No EMSA sticker on certificate, which poses/posed a potential health, safety or personal rights risk to persons in care.
Based on record review, the licensee did not comply with the section cited above in director and staff have current certificate, but the certificate is from an entitly that is not EMSA approved. No EMSA sticker on certificate, which poses/posed a potential health, safety or personal rights risk to persons in care.
LPA observed Staff 1 (S1) is not associated to the facility. LPA observed on LIS that S1 has a fingerprint clearance. Per Director, she didn't submit the transfer request form. This poses an immediate risk to the health, safety, and personal rights of child in care.
Based on interview, the licensee did not comply with the section cited above in outlets use for drinking and food preparation has not been tested for lead as required which poses/posed a potential health, safety or personal rights risk to persons in care.
Type A citation - immediate risk to health, safety, or personal rights
Type B citation - potential risk if not corrected
Type B citation - potential risk if not corrected
Type B citation - potential risk if not corrected
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
Based on interview and record review, it was disclosed by 3 of 7 staff, that a child was left unattended in a classroom without supervision on 11/19/2021. This posed an immediate risk to the health, safety, and personal rights of child in care.
Based on interview, Staff #1 stated that the incident where a child was left unsupervised in a classroom, took place, but facility did not make any report to the Department. This poses a potential risk to the health, safety, and personal rights of children in care.
Based on interview, the licensee did not comply with the section cited above in outlets use for drinking and food preparation has not been tested for lead as required which poses/posed a potential health, safety or personal rights risk to persons in care.
Type B citation - potential risk if not corrected
Type B citation - potential risk if not corrected
Type B citation - potential risk if not corrected
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
(f) At least one staff member who is trained in pediatric cardiopulmonary resuscitation and pediatric first aid pursuant to Health and Safety Code Section 1596.866 shall be present when children are at the child care center or offsite for center activities.
(f) At least one staff member who is trained in pediatric cardiopulmonary resuscitation and pediatric first aid pursuant to Health and Safety Code Section 1596.866 shall be present when children are at the child care center or offsite for center activities.
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
Type A citation from complaint investigation - immediate risk
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Frequently Asked Questions
What is DISCOVERY WORLD MONTESSORI's safety grade?
DISCOVERY WORLD MONTESSORI has a safety grade of C (Average) based on state inspection data. The composite score is 74.9 out of 100.
How many violations does DISCOVERY WORLD MONTESSORI have?
DISCOVERY WORLD MONTESSORI has 28 total violations on record, including 4 critical, 24 serious, and 0 minor.
When was DISCOVERY WORLD MONTESSORI last inspected?
DISCOVERY WORLD MONTESSORI was last inspected on February 5, 2026.
Has DISCOVERY WORLD MONTESSORI had any complaints?
DISCOVERY WORLD MONTESSORI has 1 complaint investigation on record, with 1 substantiated allegation, 0 inconclusive, and 3 unsubstantiated.