Serving 776 students in grades Kindergarten-8, Sierra Preparatory Academy ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 9% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 18% (which is lower than the California state average of 47%).
The student-teacher ratio of 18:1 is lower than the California state level of 21:1.
Quick Facts (2026)
- Grades: Kindergarten-8
- Enrollment: 776 students
- Student-Teacher Ratio: 18:1
- Overall Testing Rank: Bottom 50% in CA
- Math Proficiency: 9% (Btm 50%)
- Reading Proficiency: 18% (Btm 50%)
- Science Proficiency: 9% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Sierra Preparatory Academy's student population of 776 students has grown by 29% over five school years.
The teacher population of 43 teachers has grown by 43% over five school years.
Grades Offered
Grades Kindergarten-8
Total Students
776 students
Gender %
Total Classroom Teachers
43 teachers
School Calendar
School Rankings
Sierra Preparatory Academy ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Sierra Preparatory Academy is 0.04, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#9057 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
9%
34%
Reading/Language Arts Test Scores (% Proficient)
18%
47%
Science Test Scores (% Proficient)
9%
29%
Student-Teacher Ratio
18:1
21:1
American Indian
1%
1%
Asian
n/a
12%
Hispanic
98%
56%
Black
1%
5%
White
n/a
20%
Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups
Eligible for Free Lunch
81%
54%
Eligible for Reduced Lunch
4%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Sierra Preparatory Academy's ranking?
Sierra Preparatory Academy is ranked #9057 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Sierra Preparatory Academy often compared to?
Sierra Preparatory Academyis often viewed alongside schools like Mcfadden Institute Of Technology, Gonzalo Felicitas Mendez Fundamental Intermediate by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
9% of students have achieved math proficiency (compared to the 34% CA state average), while 18% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Sierra Preparatory Academy?
776 students attend Sierra Preparatory Academy.
What is the racial composition of the student body?
98% of Sierra Preparatory Academy students are Hispanic, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Sierra Preparatory Academy?
Sierra Preparatory Academy has a student ration of 18:1, which is lower than the California state average of 21:1.
What grades does Sierra Preparatory Academy offer ?
Sierra Preparatory Academy offers enrollment in grades Kindergarten-8
What school district is Sierra Preparatory Academy part of?
Sierra Preparatory Academy is part of Santa Ana Unified School District.
In what neighborhood is Sierra Preparatory Academy located?
Sierra Preparatory Academy is located in the Portola Park neighborhood of Santa Ana, CA.
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