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Walnut Valley Unified School District

880 South Lemon Ave.
Walnut, CA 91789-2931
(District boundaries shown in map)
10/
10
Top 5%

Top Rankings

Walnut Valley Unified School District ranks among the top 20% of public school district in California for:

Category
Attribute
Overall Rank
Highest overall rank (Top 5%)
Math Proficiency
Highest math proficiency (Top 5%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Science Proficiency
Highest science proficiency (Top 5%)
Graduation Rate
Highest graduation rate (Top 5%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025-26 school year, there are 12 public elementary schools serving 9,093 students in Walnut Valley Unified School District. This district's average elementary testing ranking is 10/10, which is in the top 5% of public elementary schools in California.
Public Elementary Schools in Walnut Valley Unified School District have an average math proficiency score of 72% (versus the California public elementary school average of 36%), and reading proficiency score of 75% (versus the 45% statewide average).
The top ranked public elementary schools in Walnut Valley Unified School District are Maple Hill Elementary School, Quail Summit Elementary School and Leonard G. Westhoff Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking. Minority enrollment is 96% of the student body (majority Asian), which is more than the California public elementary school average of 79% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
15 Schools
7,693 Schools
# Students
13,807 Students
3,821,898 Students
# Teachers
547 Teachers
173,967 Teachers
Student-Teacher Ratio
25:1
25:1

Student By Grade

District Rank

Walnut Valley Unified School District, which is ranked #59 of all 1,908 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 97% has decreased from 98% over five school years.
This School District
State Average (CA)
#62 out of 1932 school districts
(Top 5%)
71%
34%
76%
47%
57%
29%
97%
87%

Students by Ethnicity:

0.48
0.64
% American Indian
n/a
1%
% Asian
69%
12%
% Hispanic
21%
55%
% Black
1%
5%
% White
4%
21%
% Hawaiian
1%
n/a
% Two or more races
4%
6%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $14,401 in this school district is less than the state median of $19,978. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $14,700 is less than the state median of $18,399. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (CA)
Total Revenue
$199 MM
$116,387 MM
Spending
$203 MM
$107,188 MM
Revenue / Student
$14,401
$19,978
Spending / Student
$14,700
$18,399

Best Walnut Valley Unified School District Public Elementary Schools (2025-26)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Maple Hill Elementary School
(Math: 86% | Reading: 82%)
Rank:
10/
10
Top 5%
1350 Maple Hill Rd.
Diamond Bar, CA 91765
(909) 861-6224
Gr: K-5 | 561 students Student-teacher ratio: 27:1 Minority enrollment: 97%
Rank: #22.
Quail Summit Elementary School
(Math: 83% | Reading: 79%)
Rank:
10/
10
Top 5%
23330 East Quail Summit Dr.
Diamond Bar, CA 91765
(909) 861-3004
Gr: K-5 | 718 students Student-teacher ratio: 26:1 Minority enrollment: 96%
Rank: #33.
Leonard G. Westhoff Elementary School
(Math: 81% | Reading: 77%)
Rank:
10/
10
Top 5%
1323 Country Hollow
Walnut, CA 91789
(909) 594-6483
Gr: K-5 | 659 students Student-teacher ratio: 26:1 Minority enrollment: 97%
Rank: #44.
Walnut Elementary School
(Math: 78% | Reading: 77%)
Rank:
10/
10
Top 5%
841 South Glenwick
Walnut, CA 91789
(909) 594-1820
Gr: K-5 | 699 students Student-teacher ratio: 27:1 Minority enrollment: 98%
Rank: #55.
Chaparral Middle School
(Math: 74% | Reading: 80%)
Rank:
10/
10
Top 5%
1405 South Spruce Tree Dr.
Diamond Bar, CA 91765
(909) 861-6227
Gr: 6-8 | 1,204 student Student-teacher ratio: 26:1 Minority enrollment: 95%
Rank: #66.
South Pointe Middle School
(Math: 75% | Reading: 78%)
Rank:
10/
10
Top 5%
20671 Larkstone Dr.
Walnut, CA 91789
(909) 595-8171
Gr: 6-8 | 949 students Student-teacher ratio: 25:1 Minority enrollment: 97%
Rank: #77.
Evergreen Elementary School
(Math: 69% | Reading: 74%)
Rank:
10/
10
Top 10%
2450 South Evergreen Springs
Diamond Bar, CA 91765
(909) 594-1041
Gr: K-5 | 717 students Student-teacher ratio: 26:1 Minority enrollment: 96%
Rank: #88.
Castle Rock Elementary School
(Math: 69% | Reading: 71%)
Rank:
10/
10
Top 10%
2975 Castle Rock Rd.
Diamond Bar, CA 91765
(909) 598-5006
Gr: K-5 | 691 students Student-teacher ratio: 27:1 Minority enrollment: 96%
Rank: #9 - 109. - 10.
Collegewood Elementary School
(Math: 67% | Reading: 70%)
Rank:
9/
10
Top 20%
20725 East Collegewood Dr.
Walnut, CA 91789
(909) 598-5308
Gr: K-5 | 604 students Student-teacher ratio: 26:1 Minority enrollment: 97%
Rank: #9 - 109. - 10.
Cyrus J. Morris Elementary School
(Math: 67% | Reading: 70%)
Rank:
9/
10
Top 20%
19875 East Calle Baja
Walnut, CA 91789
(909) 594-0053
Gr: K-5 | 483 students Student-teacher ratio: 27:1 Minority enrollment: 99%
Rank: #1111.
Suzanne Middle School
(Math: 62% | Reading: 72%)
Rank:
9/
10
Top 20%
525 Suzanne Rd.
Walnut, CA 91789
(909) 594-1657
Gr: 6-8 | 1,172 student Student-teacher ratio: 27:1 Minority enrollment: 96%
Rank: #1212.
Vejar Elementary School
(Math: 61% | Reading: 65%)
Rank:
9/
10
Top 20%
20222 Vejar Rd.
Walnut, CA 91789
(909) 594-1434
Gr: K-5 | 636 students Student-teacher ratio: 25:1 Minority enrollment: 95%

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Quick Facts (2025-26)

  • District size: 15 schools
  • Grades: K-12
  • Enrollment: 13,807 students
  • Student-Teacher Ratio: 25:1
  • Minority Enrollment: 96%
  • : 97% (Top 5% in CA)
  • : Top 5%
  • : 71% (Top 5%)
  • : 76% (Top 5%)
  • : 57% (Top 5%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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