Sierra High School is a public high school located in Manteca, California, opened in August 1994.
Serving 1,670 students in grades 9-12, Sierra High School ranks in the top 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 28% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 66% (which is higher than the California state average of 47%).
The student-teacher ratio of 23:1 is higher than the California state level of 21:1.
Minority enrollment is 81% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,670 students
- Student-Teacher Ratio: 23:1
- Minority Enrollment: 81%
- Graduation Rate: 96% (Top 10% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 28% (Btm 50%)
- Reading Proficiency: 66% (Top 20%)
- Science Proficiency: 31% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Sierra High School ranks among the top 20% of public schools in California for:
Category
Attribute
Reading/Language Arts Proficiency
Graduation Rate
Diversity
School Overview
Sierra High School's student population of 1,670 students has grown by 14% over five school years.
The teacher population of 74 teachers has grown by 10% over five school years.
Grades Offered
Grades 9-12
Total Students
1,670 students
Total Classroom Teachers
74 teachers
Year Founded
1994
Colors
White, Blue, Grey
School Calendar
School Rankings
Sierra High School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Sierra High School is 0.70, which is more 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
#3130 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
28%
34%
Reading/Language Arts Test Scores (% Proficient)
66%
47%
Science Test Scores (% Proficient)
31%
29%
Student-Teacher Ratio
23:1
21:1
American Indian
n/a
1%
Asian
28%
12%
Hispanic
44%
56%
Black
4%
5%
White
19%
20%
Hawaiian
1%
n/a
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
51%
54%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Manteca Unified School District
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Timberwolves
Frequently Asked Questions
What is Sierra High School's ranking?
Sierra High School is ranked #3130 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Sierra High School often compared to?
Sierra High Schoolis often viewed alongside schools like Manteca High School, East Union High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
28% of students have achieved math proficiency (compared to the 34% CA state average), while 66% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Sierra High School?
The graduation rate of Sierra High School is 96%, which is higher than the California state average of 87%.
How many students attend Sierra High School?
1,670 students attend Sierra High School.
What is the racial composition of the student body?
44% of Sierra High School students are Hispanic, 28% of students are Asian, 19% of students are White, 4% of students are Black, 4% of students are Two or more races, and 1% of students are Hawaiian.
What is the student-teacher ratio of Sierra High School?
Sierra High School has a student ration of 23:1, which is higher than the California state average of 21:1.
What grades does Sierra High School offer ?
Sierra High School offers enrollment in grades 9-12
What school district is Sierra High School part of?
Sierra High School is part of Manteca Unified School District.
School Reviews
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