Public School Review - Established 2003

Alta Loma High School vs. Los Osos High School

Should you attend Alta Loma High School or Los Osos High School? Visitors to our site frequently compare these two schools. Compare their rankings, test scores, reviews and more to help you determine which school is the best choice for you.

School Overview

School
Alta Loma High School
8880 Baseline Rd.
Rancho Cucamonga, CA 91701
: 
8/
10
Top 30%
Los Osos High School
6001 Milliken Ave.
Rancho Cucamonga, CA 91737
: 
9/
10
Top 20%
Top Rankings

Alta Loma High School ranks among the top 20% of public schools in California for:

Category
Attribute
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 10%)

Los Osos High School ranks among the top 20% of public schools in California for:

Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Graduation Rate
Highest graduation rate (Top 10%)
Diversity
Most diverse schools (Top 10%)
Overview
Serving 2,400 students in grades 9-12, Alta Loma High School ranks in the top 30% 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 28% (which is lower than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 75% (which is higher than the California state average of 47%).
The student:teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 76% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Serving 2,759 students in grades 9-12, Los Osos High School ranks in the top 20% 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 52% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 81% (which is higher than the California state average of 47%).
The student:teacher ratio of 25:1 is higher than the California state level of 21:1.
Minority enrollment is 73% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Grades Offered
9-12
9-12
Total Students
2,400 students
2,759 students
This chart displays total students of Alta Loma High School by year, with the latest 2022-23 school year data.
This chart displays total students of Los Osos High School by year, with the latest 2022-23 school year data.
% Male | % Female
52% | 48%
50% | 50%
This chart displays gender of Alta Loma High School
This chart displays gender of Los Osos High School
Total Classroom Teachers
99 teachers
111 teachers
This chart displays the total teachers of Alta Loma High School by year, with the latest 2022-23 school year data.
This chart displays the total teachers of Los Osos High School by year, with the latest 2022-23 school year data.
Student : Teacher Ratio
24:1
25:1
This chart displays the student teacher ratio of Alta Loma High School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
This chart displays the student teacher ratio of Los Osos High School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.

Test Scores

#2558 out of 9602 schools in CA
(Top 30%)
#1005 out of 9602 schools in CA
(Top 20%)
This chart displays the overall school rank of Alta Loma High School, with the latest 2021-22 school year data.
This chart displays the overall school rank of Los Osos High School, with the latest 2021-22 school year data.
28%
(Top 50% in CA)
52%
(Top 20% in CA)
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Alta Loma High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Los Osos High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.
75%
(Top 10% in CA)
81%
(Top 5% in CA)
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Alta Loma High School 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.
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Los Osos High School 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%
(Top 50% in CA)
35%
(Top 50% in CA)
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Alta Loma High School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in California by year, with the latest 2021-22 school year data.
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Los Osos High School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in California by year, with the latest 2021-22 school year data.
93%
(Top 30% in CA)
96%
(Top 10% in CA)
This chart displays graduation rate of Alta Loma High School and public school graduation rate of California by year, with the latest 2021-22 school year data.
This chart displays graduation rate of Los Osos High School and public school graduation rate of California by year, with the latest 2021-22 school year data.

Students by Grade

Students by Grade
This chart displays the students of Alta Loma High School by grade.
This chart displays the students of Los Osos High School by grade.
Grade 9 Students
569
624
Grade 10 Students
653
698
Grade 11 Students
582
698
Grade 12 Students
596
739

Students by Ethnicity

% American Indian
n/a
n/a
This chart displays the percentage of American Indian students in Alta Loma High School and percentage of American Indian public school students in California by year, with the latest 2019-20 school year data.
This chart displays the percentage of American Indian students in Los Osos High School and percentage of American Indian public school students in California by year, with the latest 2022-23 school year data.
% Asian
6%
22%
This chart displays the percentage of Asian students in Alta Loma High School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of Asian students in Los Osos High School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
% Hispanic
60%
41%
This chart displays the percentage of Hispanic students in Alta Loma High School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of Hispanic students in Los Osos High School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
% Black
5%
6%
This chart displays the percentage of Black students in Alta Loma High School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of Black students in Los Osos High School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
% White
24%
27%
This chart displays the percentage of White students in Alta Loma High School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of White students in Los Osos High School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
% Hawaiian
n/a
n/a
This chart displays the percentage of Hawaiian students in Alta Loma High School and the percentage of Hawaiian public school students in California by year, with the latest 2013-14 school year data.
This chart displays the percentage of Hawaiian students in Los Osos High School and the percentage of Hawaiian public school students in California by year, with the latest 2010-11 school year data.
% Two or more races
5%
4%
This chart displays the percentage of students of two or more races in Alta Loma High School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of students of two or more races in Los Osos High School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.
0.58
0.71
This chart displays the diversity score of Alta Loma High School and the public school average diversity score of California by year, with the latest 2022-23 school year data.
This chart displays the diversity score of Los Osos High School and the public school average diversity score of California by year, with the latest 2022-23 school year data.

Additional Information

Eligible for Free Lunch
47%
31%
This chart displays the percentage of students who is eligible for free lunch in Alta Loma High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of students who is eligible for free lunch in Los Osos High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
14%
3%
This chart displays the percentage of students who is eligible for reduced lunch in Alta Loma High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of students who is eligible for reduced lunch in Los Osos High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.
 
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