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Department of
SOCIAL SERVICES

Community Care Licensing


COMPLAINT INVESTIGATION REPORT

Facility Number: 414005092
Report Date: 07/17/2026
Date Signed: 07/17/2026 11:22:55 AM

Unsubstantiated


STATE OF CALIFORNIA - HEALTH AND HUMAN SERVICES AGENCY

COMPLAINT INVESTIGATION REPORT
CALIFORNIA DEPARTMENT OF SOCIAL SERVICES
COMMUNITY CARE LICENSING DIVISION
SAN BRUNO CC RO, 851 TRAEGER AVE., SUITE 360
SAN BRUNO, CA 94066
This is an official report of an unannounced visit/investigation of a complaint received in our office on
05/28/2026 and conducted by Evaluator Maria Olguin-Leon
COMPLAINT CONTROL NUMBER: 05-CC-20260528233420
FACILITY NAME:CHALLENGE SCHOOL (PS) FC CAMPUSFACILITY NUMBER:
414005092
ADMINISTRATOR:XUAN ZHANGFACILITY TYPE:
860
ADDRESS:1130 BALCLUTHA DRIVETELEPHONE:
(650) 286-0400
CITY:FOSTER CITYSTATE: CAZIP CODE:
94404
CAPACITY:44CENSUS: 27DATE:
07/17/2026
ANNOUNCEDTIME BEGAN:
08:24 AM
MET WITH:Director Catherine ZhangTIME COMPLETED:
11:40 AM
ALLEGATION(S):
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Staff handles day care children in a rough manner causing an injury
Staff restrains day care children during nap time
Staff snatches food not allowing day care children to finish their meals
Staff falsified incident report
INVESTIGATION FINDINGS:
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On July 17, 2026, at approximately 8:30am, Licensing Program Analysts (LPAs) Maria Olguin-Leon and Hanson Leong conducted an unannounced visit to deliver complaint findings for the above allegations. LPAs met with Director, Catherine Zhang, and explained the purpose of the visit. Present during today’s visit was Director and 10 staff members caring for 27 children (17 preschoolers and 10 toddlers). All staff present have criminal background clearances and are associated with facility. Facility is operating within capacity. LPAs conducted a health and safety inspection of the indoors of outdoors of facility.

During the course of the investigation, LPAs conducted interviews, observations and reviewed pertinent documentation that was received. LPAs determined that based on the information obtained there is not sufficient evidence to prove the allegations listed above. Although the allegations above may have happened or are valid, there is not a preponderance of evidence to prove the alleged violations did or did not occur, therefore, the above allegations are UNSUBSTANTIATED.

Notice of Site Visit shall be posted for 30 consecutive days. Failure to maintain postings as required will result in an immediate $100 civil penalty. This report is public and can be reviewed.

Exit interview was conducted and report was reviewed with Director Catherine Zhang. A copy of this report and appeal rights were provided.
Unsubstantiated
Estimated Days of Completion:
SUPERVISORS NAME: Marie Rodriguez
LICENSING EVALUATOR NAME: Maria Olguin-Leon
LICENSING EVALUATOR SIGNATURE:

DATE: 07/17/2026
I acknowledge receipt of this form and understand my licensing appeal rights as explained and received.
FACILITY REPRESENTATIVE SIGNATURE:

DATE: 07/17/2026
This report must be available at Child Care and Group Home facilities for public review for 3 years.
LIC9099 (FAS) - (06/04)
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