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A

Alta Loma High

PublicHighGrades 9–12

8880 Baseline Rd., Alta Loma, CA 91701 · (909) 989-5511 · Part of Chaffey Joint Union High School District

Rancho Cucamonga’s School Grade A better than 88% of California school districts

Directions
Students
2,386
Students per teacher
25:1
Free or reduced lunch
60%
Setting
Suburb
Grades
9–12
The gist

What stands out about Alta Loma High

  • Its own letter, A: reading and math results near the top of California’s public schools
  • Math proficiency 19 pts above the state
  • Reading / language arts 28 pts above the state
  • Larger classes: 25 students per teacher

On the path

Where Rancho Cucamonga kids come from and go next. The whole path →

7–85 middle schoolsDepends on your address
9–12Alta Loma HighYou are here

Test scores

2020–21
Math proficiency53%
State average 33.6%
Reading / language arts77%
State average 48.6%

Its own letter, A, places these results among California’s 3,615 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

8880 Baseline Rd., Alta Loma

Students

Enrollment by grade
Grade 9629
Grade 10556
Grade 11619
Grade 12582
Enrollment over time
2,461’20
2,492’21
2,456’22
2,400’23
2,386’24

Down 3% since 2020–21.

Who goes here
Hispanic 60%White 23%Black 6%Asian 5%Two or more races 5%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Alta Loma High from Rancho Cucamonga families.

Other schools in Chaffey Joint Union High School District

The district →
Etiwanda High
High · Grades 9–12 · Etiwanda
A−
3,446 students25:1
Rancho Cucamonga High
High · Grades 9–12 · Rancho Cucamonga
A
3,221 students25:1
Chaffey High
High · Grades 9–12 · Ontario
B+
3,127 students23:1
Los Osos High
High · Grades 9–12 · Rancho Cucamonga
A
2,759 students26:1
Montclair High
High · Grades 9–12 · Montclair
A−
2,515 students24:1
Colony High
High · Grades 9–12 · Ontario
A−
2,109 students26:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against California’s other public schools; Rancho Cucamonga’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.