Gridley High School is a public high school in Gridley, California, United States, a city north of Sacramento and south of Redding.
Serving 670 students in grades 9-12, Gridley High School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 40-44% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher than the California state average of 47%).
The student-teacher ratio of 19:1 is lower than the California state level of 21:1.
Minority enrollment is 66% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 670 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 66%
- Graduation Rate: ≥95% (Top 20% in CA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 40-44% (Top 50%)
- Reading Proficiency: 75-79% (Top 10%)
- Science Proficiency: 35-39% (Top 30%)
- Attendance Zone: Gridley High's attendance zone encompasses the entire Gridley school district, covering approximately 86.8 square miles around Gridley, CA. Most families can expect a 10-15 minute drive to the school, with the furthest edge of the zone located about 12.9 miles away.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Gridley High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Most improved public schools
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Gridley High School's student population of 670 students has stayed relatively flat over five school years.
The teacher population of 35 teachers has grown by 6% over five school years.
Grades Offered
Grades 9-12
Total Students
670 students
Total Classroom Teachers
35 teachers
Year Founded
1895
School Calendar
School Rankings
Gridley High School ranks within the top 20% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Gridley High School is 0.54, 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
#1660 out of 9523 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
40-44%
34%
Reading/Language Arts Test Scores (% Proficient)
75-79%
47%
Science Test Scores (% Proficient)
35-39%
29%
Student-Teacher Ratio
19:1
21:1
American Indian
n/a
1%
Asian
4%
12%
Hispanic
59%
56%
Black
1%
5%
White
34%
20%
Hawaiian
n/a
n/a
Two or more races
2%
6%
All Ethnic Groups
Graduation Rate
≥95%
87%
Chronically Absent Students
(22-23)16.3%
27.7%
Eligible for Free Lunch
58%
54%
Eligible for Reduced Lunch
13%
8%
School Statewide Testing
School District Name
Sports
Colors
Navy Blue, Gold
School Mascot
Bulldog
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Gridley High School's ranking?
Gridley High School is ranked #1660 out of 9,523 schools, which ranks it among the top 20% of public schools in California.
What schools are Gridley High School often compared to?
Gridley High Schoolis often viewed alongside schools like Durham High School, Chico High School, Las Plumas High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 34% CA state average), while 75-79% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Gridley High School?
The graduation rate of Gridley High School is 95%, which is higher than the California state average of 87%.
How many students attend Gridley High School?
670 students attend Gridley High School.
What is the racial composition of the student body?
59% of Gridley High School students are Hispanic, 34% of students are White, 4% of students are Asian, 2% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Gridley High School?
Gridley High School has a student ration of 19:1, which is lower than the California state average of 21:1.
What grades does Gridley High School offer ?
Gridley High School offers enrollment in grades 9-12
What school district is Gridley High School part of?
Gridley High School is part of Gridley Unified School District.
School Reviews
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