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Chaffey Joint Union High School District

211 W. Fifth St.
Ontario, CA 91762-1698
(District boundaries shown in map)
8/
10
Top 30%
<麻豆果冻传媒 class="so-dt-title" id="top-rankings">Top Rankings

Chaffey Joint Union High School District ranks among the top 20% of public school district in California for:

Category
Attribute
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2024-25 school year, there are 11 public schools serving 23,058 students in Chaffey Joint Union High School District. This district's average testing ranking is 8/10, which is in the top 30% of public schools in California.
Public Schools in Chaffey Joint Union High School District have an average math proficiency score of 31% (versus the California public school average of 33%), and reading proficiency score of 66% (versus the 47% statewide average).
Minority enrollment is 86% of the student body (majority Hispanic), which is more than the California public school average of 79% (majority Hispanic).
<麻豆果冻传媒 class='so-dt-title' id="overview">Overview
This School District
This State (CA)
# Schools
11 Schools
10,356 Schools
# Students
23,058 Students
5,416,694 Students
# Teachers
952 Teachers
267,515 Teachers
Student : Teacher Ratio
24:1
24:1
<麻豆果冻传媒 class='so-dt-title' id="district-rank">District Rank
Chaffey Joint Union High School District, which is ranked #525 of all 1,931 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 92% has increased from 89% over five school years.
This School District
State Average (CA)
#524 out of 1941 school districts
(Top 30%)
This chart displays the overall district rank of Chaffey Joint Union High  School District, with the latest 2021-22 school year data.
31%
33%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Math of Chaffey Joint Union High  School District and the percentage of public school students that scored at or above 'proficient' levels in Math of California by year, with the latest 2021-22 school year data.
66%
47%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Chaffey Joint Union High  School District and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.
26%
29%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Science of Chaffey Joint Union High  School District and the percentage of public school students that scored at or above 'proficient' levels in Science of California by year, with the latest 2021-22 school year data.
92%
87%
This chart displays public school graduation rate of Chaffey Joint Union High  School District and public school graduation rate of California by year, with the latest 2021-22 school year data.
<麻豆果冻传媒 class='so-dt-title' id="students-by-ethinity">Students by Ethnicity:
0.55
0.64
# American Indian Students
93 Students
26,121 Students
% American Indian Students
1%
1%
# Asian Students
2,160 Students
674,073 Students
% Asian Students
9%
12%
# Hispanic Students
15,048 Students
2,961,553 Students
% Hispanic Students
65%
55%
# Black Students
1,686 Students
259,506 Students
% Black Students
7%
5%
# White Students
3,181 Students
1,154,454 Students
% White Students
14%
21%
# Hawaiian Students
98 Students
23,322 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
773 Students
308,275 Students
% of Two or more races Students
3%
6%
<麻豆果冻传媒 class='so-dt-title' id="students-by-grade">Students by Grade:
# Students in PK Grade:
-
18
# Students in K Grade:
-
453,070
# Students in 1st Grade:
-
377,012
# Students in 2nd Grade:
-
379,857
# Students in 3rd Grade:
-
389,328
# Students in 4th Grade:
-
393,568
# Students in 5th Grade:
-
398,589
# Students in 6th Grade:
-
408,016
# Students in 7th Grade:
-
409,896
# Students in 8th Grade:
-
405,275
# Students in 9th Grade:
5,797
448,034
# Students in 10th Grade:
5,480
448,656
# Students in 11th Grade:
5,951
451,880
# Students in 12th Grade:
5,830
453,495
# Ungraded Students:
-
-
<麻豆果冻传媒 class="so-dt-title" id="district-revenue-and-spending">District Revenue and Spending
The revenue/student of $20,489 in this school district is less than the state median of $21,487. The school district revenue/student has grown by 29% over four school years.
The school district's spending/student of $17,032 is less than the state median of $19,788. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (CA)
Total Revenue
$472 MM
$116,387 MM
This chart displays total revenue of Chaffey Joint Union High  School District and median value from total revenues of all school districts in California by year, with the latest 2020-21 school year data.
Spending
$393 MM
$107,188 MM
This chart displays total spending of Chaffey Joint Union High  School District and median value from total spendings of all school districts in California by year, with the latest 2020-21 school year data.
Revenue / Student
$20,489
$21,487
This chart displays average revenue per public school student in Chaffey Joint Union High  School District and average revenue per public school student of all school districts in California by year, with the latest 2020-21 school year data.
Spending / Student
$17,032
$19,788
This chart displays average spending per public school student in Chaffey Joint Union High  School District and average spending per public school student of all school districts in California by year, with the latest 2020-21 school year data.

Best Chaffey Joint Union High School District Public Schools (2024-25)

School
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Los Osos High School
Magnet School
(Math: 52% | Reading: 81%)
Rank:
9/
10
Top 20%
6001 Milliken Ave.
Rancho Cucamonga, CA 91737
(909) 477-6900
Grades: 9-12
| 2,837 students
Rank: #22.
Etiwanda High School
Magnet School
(Math: 42% | Reading: 75%)
Rank:
9/
10
Top 20%
13500 Victoria St.
Rancho Cucamonga, CA 91739
(909) 899-2531
Grades: 9-12
| 3,596 students
Rank: #33.
Rancho Cucamonga High School
Magnet School
(Math: 38% | Reading: 74%)
Rank:
8/
10
Top 30%
11801 Lark Dr.
Rancho Cucamonga, CA 91701
(909) 989-1600
Grades: 9-12
| 3,264 students
Rank: #44.
Chaffey District Online High School
Alternative School
Magnet School
(Math: <50% | Reading: ≥50%)
Rank:
8/
10
Top 30%
1802 E. 7th St.
Ontario, CA 91764
(909) 985-0966
Grades: 9-12
| 102 students
Rank: #55.
Alta Loma High School
Magnet School
(Math: 28% | Reading: 75%)
Rank:
8/
10
Top 30%
8880 Baseline Rd.
Rancho Cucamonga, CA 91701
(909) 989-5511
Grades: 9-12
| 2,456 students
Rank: #66.
Chaffey Community Day
Alternative School
Magnet School
(Math: <50% | Reading: <50% )
Rank:
7/
10
Top 50%
1802 E. Seventh St.
Ontario, CA 91764
(909) 985-0966
Grades: 9-12
| 16 students
Rank: #77.
Montclair High School
Magnet School
(Math: 26% | Reading: 62%)
Rank:
7/
10
Top 50%
4725 Benito St.
Montclair, CA 91763
(909) 621-6781
Grades: 9-12
| 2,769 students
Rank: #88.
Colony High School
Magnet School
(Math: 25% | Reading: 62%)
Rank:
7/
10
Top 50%
3850 E. Riverside Dr.
Ontario, CA 91761
(909) 930-2929
Grades: 9-12
| 2,122 students
Rank: #99.
Ontario High School
Magnet School
(Math: 22% | Reading: 60%)
Rank:
6/
10
Top 50%
901 W. Francis St.
Ontario, CA 91762
(909) 988-7411
Grades: 9-12
| 2,182 students
Rank: #1010.
Chaffey High School
Magnet School
(Math: 15% | Reading: 54%)
Rank:
5/
10
Bottom 50%
1245 N. Euclid Ave.
Ontario, CA 91762
(909) 988-5560
Grades: 9-12
| 3,346 students
Rank: #1111.
Valley View High (Continuation School)
Alternative School
Magnet School
(Math: ≤5% | Reading: 6-9%)
Rank:
1/
10
Bottom 50%
1801 E. Sixth St.
Ontario, CA 91764
(909) 985-0966
Grades: 9-12
| 368 students
<麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions
How many schools belong to Chaffey Joint Union High School District?
Chaffey Joint Union High School District manages 11 public schools serving 23,058 students.
What is the rank of Chaffey Joint Union High School District?
Chaffey Joint Union High School District is ranked #525 out of 1,931 school districts in California (top 30%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of California school districts for: Highest reading/language arts proficiency (Top 20%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in Chaffey Joint Union High School District?
65% of Chaffey Joint Union High School District students are Hispanic, 14% of students are White, 9% of students are Asian, 7% of students are Black, 3% of students are Two or more races, 1% of students are American Indian, and 1% of students are Hawaiian.
What is the student/teacher ratio of Chaffey Joint Union High School District?
Chaffey Joint Union High School District has a student/teacher ratio of 24:1, which is higher than the California state average of 22:1.
What is Chaffey Joint Union High School District's spending/student ratio?
The school district's spending/student of $17,032 is less than the state median of $19,788. The school district spending/student has stayed relatively flat over four school years.

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Quick Stats (2024-25)

  • District size: 11 schools
  • Grades: 09-12
  • Enrollment: 23,058 students
  • Student:Teacher Ratio: 24:1
  • Minority Enrollment: 86%
  • : 92% (Top 30% in CA)
  • : Top 30%
  • : 31% (Top 50%)
  • : 66% (Top 20%)
  • : 26% (Top 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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