Serving 2,138 students in grades 9-12, Walnut High School ranks in the top 10% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 61% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 80% (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 96% of the student body (majority Asian), which is higher than the California state average of 80% (majority Hispanic and Asian).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,138 students
- Student:Teacher Ratio: 23:1
- Minority Enrollment: 96%
- Graduation Rate: 98% (Top 5% in CA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 61% (Top 20%)
- Reading Proficiency: 80% (Top 5%)
- Science Proficiency: 56% (Top 20%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Walnut High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Walnut High School's student population of 2,138 students has declined by 9% over five school years.
The teacher population of 93 teachers has declined by 14% over five school years.
Grades Offered
Grades 9-12
Total Students
2,138 students
Gender %
Total Classroom Teachers
93 teachers
Students by Grade
School Rankings
Walnut High School ranks within the top 10% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Walnut High School is 0.56, 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
#780 out of 9602 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
61%
33%
Reading/Language Arts Test Scores (% Proficient)
80%
47%
Science Test Scores (% Proficient)
56%
29%
Student : Teacher Ratio
23:1
21:1
American Indian
n/a
1%
Asian
58%
12%
Hispanic
32%
56%
Black
1%
5%
White
4%
20%
Hawaiian
1%
n/a
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
98%
87%
Eligible for Free Lunch
25%
54%
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Walnut High School's ranking?
Walnut High School is ranked #780 out of 9,602 schools, which ranks it among the top 10% of public schools in California.
What schools are Walnut High School often compared to?
Walnut High Schoolis often viewed alongside schools like Diamond Bar High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
61% of students have achieved math proficiency (compared to the 33% CA state average), while 80% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Walnut High School?
The graduation rate of Walnut High School is 98%, which is higher than the California state average of 87%.
How many students attend Walnut High School?
2,138 students attend Walnut High School.
What is the racial composition of the student body?
58% of Walnut High School students are Asian, 32% of students are Hispanic, 4% of students are White, 4% of students are Two or more races, 1% of students are Black, and 1% of students are Hawaiian.
What is the student:teacher ratio of Walnut High School?
Walnut High School has a student ration of 23:1, which is higher than the California state average of 21:1.
What grades does Walnut High School offer ?
Walnut High School offers enrollment in grades 9-12
What school district is Walnut High School part of?
Walnut High School is part of Walnut Valley Unified School District.
School Calendar
View the Walnut High School yearly calendar below. Note key dates such as:
Event
Date
Spring Break - No School (Upcoming Events)
April 14, 2025 (Monday)
Spring Break - No School (Upcoming Events)
April 15, 2025 (Tuesday)
Spring Break - No School (Upcoming Events)
April 16, 2025 (Wednesday)
Spring Break - No School (Upcoming Events)
April 17, 2025 (Thursday)
Spring Break - No School (Upcoming Events)
April 18, 2025 (Friday)
School Reviews
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