{"a_g_completion_pct":null,"at_a_glance":["Castilleja School is a private high school in Palo Alto, Santa Clara County, California with 51 seniors in the Class of 2025.","Its UC Reach Score is 114 (Incredible, top 1% in California): 58 UC admits (counted at each UC) from a senior class of 51, so a student admitted to several campuses counts at each. That is higher than 99% of California high schools.","In 2025 its students filed 215 UC applications and received 58 offers, a UC admit rate of 27.0% (counted at each campus).","Enrollment was 416 students in 2025, down 3% since 2020.","Castilleja School publishes a matriculation list (where its graduates enrolled) for the Class of 2026: 33 colleges. Source: Upper School Profile 2026-2027.","Sources: University of California Office of the President (admissions), California Department of Education (enrollment, A-G, college-going), and the school's own published documents where named."],"caveats":["UC admits and applications are counted at each campus: a student admitted to three UCs counts three times. The UC Reach Score is those admits divided by the senior class, times 100, so a strong school scores above 100.","A published college list is the school's own document, copied as printed; counts are the school's, never ours, and an unnumbered list carries no counts.","Enrollment is NCES CCD for national pages and CDE for California pages; graduation and readiness measures are the state's or EDFacts' own definitions, named in each sentence.","Every figure here is also rendered on the HTML page it describes."],"city":"Palo Alto","college_going_rate_12mo_pct":null,"county":"Santa Clara","enrollment":{"since_total":430,"since_year":2020,"total":416,"year":2025},"faq":[{"a":"Castilleja School's UC Reach Score is 114 (Incredible, top 1% in California): 58 UC admits (counted at each UC) from a senior class of 51, so a student admitted to several campuses counts at each. That is higher than 99% of California high schools.","q":"What is Castilleja School's UC Reach Score?"},{"a":"In 2025 its students filed 215 UC applications and received 58 offers, a UC admit rate of 27.0% (counted at each campus).","q":"How many students from Castilleja School got into a UC?"},{"a":"Castilleja School publishes a matriculation list (where its graduates enrolled) for the Class of 2026: 33 colleges. Source: Upper School Profile 2026-2027.","q":"Where do Castilleja School graduates go to college?"},{"a":"Enrollment was 416 students in 2025, down 3% since 2020.","q":"How many students attend Castilleja School?"},{"a":"At Castilleja School, no entrance exam is required.","q":"Does Castilleja School require an entrance exam?"},{"a":"At Castilleja School, applications are due Jan 5, 2027.","q":"When is the application deadline for Castilleja School?"},{"a":"Castilleja School's UC Reach Score is 114 (Incredible, top 1% in California; higher than 99% of California high schools), from 58 UC admits (counted at each UC) for 51 seniors in 2025, and it publishes a college list without per-college counts.","q":"Is Castilleja School a good school for college admissions?"}],"feeder_standing":null,"name":"Castilleja School","ok":true,"published_college_list":{"colleges":33,"first_named":["Barnard College","Boston University","Bowdoin College","Cal Poly, San Luis Obispo","Columbia University","Cornell University","Dartmouth College","DePaul University","Duke University","Harvard University"],"kind":"matriculation","numbered":false,"source_name":"Upper School Profile 2026-2027","source_url":"https://www.castilleja.org/uploaded/College_Counseling/Documents/CastillejaProfile.pdf","verified":false,"years_label":"Class of 2026"},"school_facts":[],"school_type":"Private","slug":"castilleja-school","state":"CA","students_per_counselor":null,"uc":{"admit_rate":"27.0%","admits":58,"applications":215,"ca_percentile":99,"counting":"admits and applications counted at each UC campus","enrollees":null,"seniors":51,"seniors_estimated":false,"uc_reach_band":"Incredible","uc_reach_score":114,"year":2025},"uc_six_year_graduation_pct":null,"url":"https://highschoolreach.com/schools/castilleja-school"}