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DISCOVERY WORLD MONTESSORI

801 BREA CANYON RD, Diamond Bar, CA 91789

Facility:
198019941
Type:
DAY CARE CENTER
Status:
Licensed
Records checked:
July 17, 2026
Additional info
Source:
California Community Care Licensing Division
District office:
Not listed
License effective:
Not found
Capacity:
121

Inspection snapshot

Questions worth asking

The available records raise questions worth asking before enrolling.

Next: Review the inspection history below and ask the provider what the records mean and what changed afterward.

Latest inspectionFebruary 5, 2026
Latest inspection with no recorded violationsFebruary 5, 2026

Summary

This summary covers six available inspections for DISCOVERY WORLD MONTESSORI from January 7, 2022 through February 5, 2026.

Four inspections recorded violations, with five recorded violations in total.

The most recent higher-concern violation was on March 27, 2024 and involved background screening, with a due date of March 29, 2024.

Two later inspections, from November 14, 2024 through February 5, 2026, showed no recorded violations, but the records do not say whether they were formal follow-ups.

At a glance

Total inspections
6

1 in last 12 months

Recorded violations
5

0 in last 12 months

Higher-concern violations
3

0 in last 12 months

Repeated topics
0

Last 36 months

Local comparison

6 total inspections vs 5 local median in 91789

Compared to 15 local facilities

Recorded violations per inspection

This provider
0.83
Local median
0.25

Inspections with higher-concern violations

This provider
50%
Local median
0%

Inspections with recorded violations

This provider
67%
Local median
25%

Repeated topics

This provider
0
Local average
0.27

Repeated topics

Topics that appeared in more than one inspection during the last 36 months. They may reveal a pattern worth examining.

No repeated topics found

The available reports do not show the same violation topic appearing in more than one inspection during the last 36 months. Review the inspection history below for one-time violations or report details.

Inspection history

Available inspection history. Select a violation topic for more info.

View official report
Higher concern: Background screening
Report finding
101216 Personnel Requirements (i) Prior to employment or initial presence in the child care center, all employees and volunteers subject to a criminal record review shall: (2) Request a transfer of a criminal record clearance as specified in Section 101170(f) This requirement is not met as evidenced by: 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.
Correction / follow-up note
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.
Correction status
Plan of correction due by March 29, 2024
More details
Official CA class
Type A deficiency
Report section
CCR 101216(i)(2) - 101216(i)(2)
Official code
101216(i)(2)
View official report
Medium concern: Environmental health
Report finding
Lead Testing (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. This requirement is not met as evidenced by: 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.
Correction status
Plan of correction due by April 13, 2023
More details
Official CA class
Type B deficiency
Report section
HSC 1597.16(a)(1) - 1597.16(a)(1)
Official code
1597.16(a)(1)
Medium concern: Staff training
Report finding
Personnel Requirements (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. This requirement is not met as evidenced by: 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.
Correction status
Plan of correction due by April 13, 2023
More details
Official CA class
Type B deficiency
Report section
CCR 101216(f) - 101216(f)
Official code
101216(f)
View official report
Higher concern: Supervision
Report finding
Responsibility of Providing Care and Supervision No child(ren) shall be left without the supervision of a teacher at any time, except as specified in Sections 101216.2(e)(1) and 101230(c)(1). Supervision shall include visual observation. This requirement was not met as evidenced by: 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.
Correction status
Plan of correction due by January 10, 2022
More details
Official CA class
Type A deficiency
Report section
CCR 101229(a)(1) - 101229(a)(1)
Official code
101229(a)(1)
View official report
Higher concern: Supervision
Report finding
Reporting Requirements Upon the occurrence, during the operation of the child care center...a report shall be made to the Department...within the Department's next working day (1)(C) Any unusual incident or child absence that threatens the physical or emotional health or safety of any child. This requirement was not met as evidenced by: 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.
Correction status
Plan of correction due by January 14, 2022
More details
Official CA class
Type B deficiency
Report section
CCR 101212(d)(1)(C) - 101212(d)(1)(C)
Official code
101212(d)(1)(C)