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 high schools serving 23,058 students in Chaffey Joint Union High School District. This district's average high testing ranking is 9/10, which is in the top 20% of public high schools in California.
Public High Schools in Chaffey Joint Union High School District have an average math proficiency score of 31% (versus the California public high school average of 28%), and reading proficiency score of 66% (versus the 51% statewide average).
Public High School in Chaffey Joint Union High School District have a Graduation Rate of 92%, which is more than the California average of 87%.
The school with highest graduation rate is Rancho Cucamonga High School, with 97% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 86% of the student body (majority Hispanic), which is more than the California public high school average of 77% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
11 Schools
2,826 Schools
# Students
23,058 Students
2,020,187 Students
# Teachers
952 Teachers
101,258 Teachers
Student : Teacher Ratio
24:1
24:1
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.
Overall District Rank
#524 out of 1941 school districts
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
31%
33%
Reading/Language Arts Test Scores (% Proficient)
66%
47%
Science Test Scores (% Proficient)
26%
29%
Graduation Rate
92%
87%
Students by Ethnicity:
Diversity Score
0.55
0.65
# American Indian Students
93 Students
10,744 Students
% American Indian Students
1%
1%
# Asian Students
2,160 Students
238,325 Students
% Asian Students
9%
12%
# Hispanic Students
15,048 Students
1,088,027 Students
% Hispanic Students
65%
54%
# Black Students
1,686 Students
102,494 Students
% Black Students
7%
5%
# White Students
3,181 Students
460,449 Students
% White Students
14%
23%
# Hawaiian Students
98 Students
9,014 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
773 Students
103,001 Students
% of Two or more races Students
3%
5%
Students by Grade:
# Students in PK Grade:
-
18
# Students in K Grade:
-
22,406
# Students in 1st Grade:
-
18,976
# Students in 2nd Grade:
-
18,670
# Students in 3rd Grade:
-
18,995
# Students in 4th Grade:
-
19,014
# Students in 5th Grade:
-
19,370
# Students in 6th Grade:
-
26,291
# Students in 7th Grade:
-
36,245
# Students in 8th Grade:
-
38,229
# Students in 9th Grade:
5,797
447,954
# Students in 10th Grade:
5,480
448,650
# Students in 11th Grade:
5,951
451,877
# Students in 12th Grade:
5,830
453,492
# Ungraded Students:
-
-
District Revenue and Spending
The revenue/student of $20,489 in this school district is less than the state median of $21,485. 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 $19,787. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$472 MM
$116,387 MM
Spending
$393 MM
$107,188 MM
Revenue / Student
$20,489
$21,485
Spending / Student
$17,032
$19,787
Best Chaffey Joint Union High School District Public High Schools (2024-25)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Los Osos High School
Magnet School
(Math: 52% | Reading: 81%)
Rank:
Rank:
9/
Top 20%10
6001 Milliken Ave.
Rancho Cucamonga, CA 91737
(909) 477-6900
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:
Rank:
9/
Top 20%10
13500 Victoria St.
Rancho Cucamonga, CA 91739
(909) 899-2531
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:
Rank:
8/
Top 30%10
11801 Lark Dr.
Rancho Cucamonga, CA 91701
(909) 989-1600
Rancho Cucamonga, CA 91701
(909) 989-1600
Grades: 9-12
| 3,264 students
Rank: #44.
Chaffey District Online High School
Alternative School
Magnet School
Magnet School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
1802 E. 7th St.
Ontario, CA 91764
(909) 985-0966
Ontario, CA 91764
(909) 985-0966
Grades: 9-12
| 102 students
Rank: #55.
Alta Loma High School
Magnet School
(Math: 28% | Reading: 75%)
Rank:
Rank:
8/
Top 30%10
8880 Baseline Rd.
Rancho Cucamonga, CA 91701
(909) 989-5511
Rancho Cucamonga, CA 91701
(909) 989-5511
Grades: 9-12
| 2,456 students
Rank: #66.
Chaffey Community Day
Alternative School
Magnet School
Magnet School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
1802 E. Seventh St.
Ontario, CA 91764
(909) 985-0966
Ontario, CA 91764
(909) 985-0966
Grades: 9-12
| 16 students
Rank: #77.
Montclair High School
Magnet School
(Math: 26% | Reading: 62%)
Rank:
Rank:
7/
Top 50%10
4725 Benito St.
Montclair, CA 91763
(909) 621-6781
Montclair, CA 91763
(909) 621-6781
Grades: 9-12
| 2,769 students
Rank: #88.
Colony High School
Magnet School
(Math: 25% | Reading: 62%)
Rank:
Rank:
7/
Top 50%10
3850 E. Riverside Dr.
Ontario, CA 91761
(909) 930-2929
Ontario, CA 91761
(909) 930-2929
Grades: 9-12
| 2,122 students
Rank: #99.
Ontario High School
Magnet School
(Math: 22% | Reading: 60%)
Rank:
Rank:
6/
Top 50%10
901 W. Francis St.
Ontario, CA 91762
(909) 988-7411
Ontario, CA 91762
(909) 988-7411
Grades: 9-12
| 2,182 students
Rank: #1010.
Chaffey High School
Magnet School
(Math: 15% | Reading: 54%)
Rank:
Rank:
5/
Bottom 50%10
1245 N. Euclid Ave.
Ontario, CA 91762
(909) 988-5560
Ontario, CA 91762
(909) 988-5560
Grades: 9-12
| 3,346 students
Rank: #1111.
Valley View High (Continuation School)
Alternative School
Magnet School
Magnet School
(Math: ≤5% | Reading: 6-9%)
Rank:
Rank:
1/
Bottom 50%10
1801 E. Sixth St.
Ontario, CA 91764
(909) 985-0966
Ontario, CA 91764
(909) 985-0966
Grades: 9-12
| 368 students
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