Sunnyvale · Licensed center
Challenger School-Sunnyvale
- Large academic center, licensed for 168 children.
What the state has found
The state cited rules at 1 of its 8 licensing inspections since September 2022.
Fewer than 20 Bay Area centers have had 8 licensing inspections, so there is no comparison yet.
Licensing inspections
Dec 19, 20241 citation
“Observation of the Child: (b) 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 was not met as evidenced by: Based on interviews and evidence gathered, parents/authorized representative of the children (C2 & C3) were not notified regarding the incidents occurred on two separate occasions: one incident occurred on 12/05/2024 with child (C3). Based on interviews, one incident with child (C2) occurred in November 2024.”
CCR 101226.3(b)
Read every record and the state’s reports
State record — California CDSS Community Care Licensing
- Last visit
- March 5, 2026
- On file
- 8 visits since September 2022 — 7 cited nothing · 2 complaint investigations
- Most serious
- Type B —
Observation of the Child: (b) 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 was not met as evidenced by: Based on interviews and evidence gathered, parents/authorized representative of the children (C2 & C3) were not notified regarding the incidents occurred on two separate occasions: one incident occurred on 12/05/2024 with child (C3). Based on interviews, one incident with child (C2) occurred in November 2024.
· December 19, 2024
California CDSS publishes the full investigation narrative for a complaint, including its disposition, and classifies a citation Type A — an immediate risk to a child — or Type B.
Jan 2026 Complaint Unsubstantiated
Complaint · January 23, 2026
Unsubstantiated
ALLEGATION(S): Staff did not provide adequate supervision resulting in child sustaining injury. INVESTIGATION FINDINGS: On 03/05/2026, Licensing Program Analyst (LPA) M.K. met with Director, D.R. for an unannounced follow up complaint investigation. Purpose of today's investigation: deliver investigation findings. LPA conducted complaint investigation comprising of observations, Director interview, random staff interviews, random parents interviews, random children interviews, records review and evidence gathered. Based on interviews, observations, records review and evidence gathered during the investigation process, although the allegation may have happened or is valid, there is not a preponderance of evidence to prove the alleged violations did or did not occur, therefore the allegation is UNSUBSTANTIATED. No deficiency issued during today's investigation. Appeal rights were provided. Exit interview conducted and report was reviewed with Director, D.R. A Notice of Site Visit was given and must remain posted for 30 days. Unsubstantiated Estimated Days of Completion:
Dec 2024 Licensing visit 1 finding
Licensing visit · December 19, 2024
CCR 101226.3(b) · Type B
Observation of the Child: (b) 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 was not met as evidenced by: Based on interviews and evidence gathered, parents/authorized representative of the children (C2 & C3) were not notified regarding the incidents occurred on two separate occasions: one incident occurred on 12/05/2024 with child (C3). Based on interviews, one incident with child (C2) occurred in November 2024.
Shortlist replaces people’s names in the state’s text with initials. This is done by rule, not by hand, so it can miss a name or shorten a word that isn’t one. The state’s report, linked on each row, has the original.
Openings, child care subsidies, cost, ratios and staff, a typical day, and sick and biting policies aren’t on this page.
How they teach
Academic
“We also teach phonics, sentence diagramming, and penmanship—tried and true practices that other schools often neglect.”
A day here
- Hours
- 7:00 AM to 6:00 PM
- Schedule
- Half-Day AM, Half-Day PM, All-Day
Details
- Website
- challengerschool.com
- Address
- 1185 Hollenbeck Avenue
- License
- 430710539, active
Run Challenger School-Sunnyvale? Correct or add anything here, free.
Add what is missingSources and dates
Where every fact on this page came from, and when Shortlist last checked it against that source. Anything Shortlist could not source is named here rather than left blank.
All checked July 2026.
How they teach
- Approach challengerschool.com
State record
The state’s licensing transparency data reports 2 complaint-related visit(s) to this facility, while 1 complaint investigation report(s) are published on the transparency portal. State complaint counts: substantiated=0, inconclusive=0, unsubstantiated=1, unfounded=CONFIDENTIAL, Type A citations=0, Type B citations=0. The state publishes no further detail for the difference.
From California CDSS Community Care Licensing’s published reports, last checked October 11, 2026.
A day here
- Hours, Schedule challengerschool.com
Details
- Phone, Address, License ccld.dss.ca.gov
- Website challengerschool.com
Large means the biggest quarter of Bay Area’s 439 licensed centers by state-licensed capacity: 76 to 312 children. Small is 8 to 30; medium is 31 to 75.