Sierra Preparatory Academy
#476
Best Student:Teacher Ratio in California
742
Students
17.9:1
S:T Ratio
School Snapshot
Key metrics at a glanceStudent-Teacher Ratiostudents per teacher
18:1
B
Average
Graduation Rate
90%
A+
Excellent
This Week at Sierra Preparatory Academy – April 8, 2026
114 students practicing on Varsity Tutors
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School Details
Address
2021 N. Grand Ave., Santa Ana, CA 92705
Phone
(714)567-3500
District
Santa Ana Unified School District
Academic Calendar
2025-2026
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