Challenger School-Middlefield
3880 Middlefield Rd, Palo Alto, CA 94303
Campus & Classroom Visual Tour
3 Verified Photos
exteriorVerified campus environment and building entrance for Challenger School-Middlefield (Challenger School).
classroomEarly childhood learning space and classroom environment for Challenger School-Middlefield (Challenger School).
playgroundOutdoor play and developmental activity environment for Challenger School-Middlefield (Challenger School).
Executive Regulatory & Staffing Overview
California Department of Social Services (CDSS) Title 22 compliance audit • Updated October 2026
Challenger School-Middlefield is an authorized California day care center (located at 3880 Middlefield Rd in Palo Alto), licensed by the California Department of Social Services (CDSS #434403575) for up to 198 children. Enrolling early childhood learners, the center operates 7:00 AM - 6:00 PM (11 hours daily), providing commuter runway for local working parents. Across official state audits, Challenger School-Middlefield holds a flawless 36-month California regulatory compliance history with zero Type A or Type B citations issued during on-site inspections, and earned an OpenPHR Staff Stability Score of 88/100 (HIGH STABILITY), reflecting educator retention and regulatory staffing consistency, where the program operates under regional early educator wage baselines.
CDSS #434403575 • LICENSED
198 children across approved classrooms
Clean Regulatory Record (0 Citations)
88 / 100 • HIGH STABILITY
7:00 AM - 6:00 PM (11 hours daily)
Safety Record: What Happened, When & Was It Fixed
Clean Safety Record · 3 Years
Zero recorded Type A or Type B health and safety violations during trailing 36 months.
This campus has zero recorded Type A or Type B citations across California Department of Social Services monitoring reports for the past 36 months.
Get citation alerts for this daycare (Challenger School-Middlefield)
California State Social Services (CDSS) conducts unannounced annual and complaint inspections. We continuously scan the state licensing docket and email you immediately if a new Type A hazard or staffing ratio citation is posted.
Full Regulatory Audit • 26 Compliance Areas
Detailed CDSS Title 22 engineering audits including seismic water reserves, MERV-13 air quality, lead fixture assays, staff TrustLine clearances, and Title 22 ratios.
Parent Experiences at Challenger School-Middlefield
Authentic reviews from confirmed parents. Every review is verified against California enrollment standards and moderated before publishing.
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Frequently Asked Parent Questions for Challenger School-Middlefield
Verified answers extracted directly from CDSS Title 22 inspections and California labor records.
Q:How much does tuition cost at Challenger School-Middlefield in Palo Alto?
Tuition at Challenger School-Middlefield is estimated at approximately $2,350 – $3,200/mo (Regional Est.) for full-day care. Exact rates vary depending on child age cohort (infant, toddler, or preschool) and enrollment schedule. Contact Challenger School-Middlefield directly at (650) 213-8245 for current tuition schedules and sibling discounts.
Q:What ages does Challenger School-Middlefield accept and what are their operating hours?
Challenger School-Middlefield is licensed for up to 198 children and enrolls 24 – 60 months (2 – 5 yrs · Preschool & Pre-K). Standard operating hours are 7:00 AM - 6:00 PM, providing commuter runway for local working parents.
Q:What is the Staff Stability Index score for Challenger School-Middlefield?
Challenger School-Middlefield holds an OpenPHR Staff Stability Score of 88.0/100. This score is objectively synthesized from California CDSS Title 22 compliance audits, teacher retention data, and wage transparency benchmarks under California SB 1162.
Q:Does Challenger School-Middlefield have any California CDSS inspection citations or violations?
Challenger School-Middlefield holds a spotless regulatory record with 0 recorded Type A or Type B health and safety citations over the trailing 36-month monitoring window from the California Department of Social Services (CDSS).
Q:How do I schedule a tour or contact Challenger School-Middlefield?
Challenger School-Middlefield is located at 3880 Middlefield Rd, CA. Parents can call their administrative desk directly at (650) 213-8245 to confirm current classroom availability, waitlist status, and schedule an on-site visit.