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Very Good

#1661 of 9,533 schools in CA

Top 17% in state

Alta Loma High

High School · Chaffey Joint Union High

8880 Baseline Rd., Alta Loma, CA 91701

Enrollment

2,400

Student-Teacher

24.2:1

Score

7.8

Grades

9th – 12th

Updated 2022-23

How this school compares

In Alta Loma

#3 of 13

public schools

California high schools

#287 of 1,892

In district

#2 of 10

Chaffey Joint Union High

Equity

9.1 / 10

Exceptional

About Alta Loma High

Alta Loma High serves 2,400 students in grades 9-12 in the affluent community of Alta Loma, California. This large public high school maintains a student-teacher ratio of 24.2:1 with 99 full-time equivalent teachers, providing educational opportunities in San Bernardino County's suburban landscape. The school demonstrates solid academic performance, earning a 7.5 out of 10 rating from MySchoolScout and ranking in the 80th percentile statewide at #1892 out of 9,566 California schools.

Students show particularly strong performance in English Language Arts, with 75% achieving proficiency or above across grade levels. Mathematics presents more opportunity for growth, with 41% of students demonstrating proficiency. Alta Loma High draws from an economically stable community where the median household income reaches $111,745 and only 4.8% of residents live below the poverty line.

The surrounding neighborhood reflects educational values, with 36% of adults holding bachelor's degrees or higher, and median home values of $664,100 indicating a well-established residential area. Located at 8880 Baseline Road, the school sits within a large suburban setting that combines residential stability with access to broader regional opportunities, serving families who have chosen this San Bernardino County community for its quality of life and educational resources.

What Parents Should Know

Alta Loma High is a large school with 2,400 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

The student-teacher ratio at Alta Loma High is 24.2:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.6Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change+0.29 pts/yr
Data Period2019–2024
TrendStable
Academics9.0Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency41.5%
Reading/ELA Proficiency74.8%
Math vs. State Avg+13.5 pts
Reading vs. State Avg+18.9 pts
Overall Proficiency58%
Expected (poverty-adj.)40%
vs. Expected+17.6 pts
Adjusted Percentile85th
College Readiness8.2Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation21.2%
IB ProgramNo
Resources & Environment4.7Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio24.2:1
Per-Pupil Spending$15,468

Alta Loma High — Students at Alta Loma High score 58% proficient, which is above what's typical for similar communities (expected: 40%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

60.6%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 44.0%
School
State
31.8%
ELA Proficiency 74.6%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
40%
ELA
72%
2021*
Math
53%
ELA
77%
2024
Math
41.5%
ELA
74.8%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 8.6/10.

How Alta Loma High Compares

See how Alta Loma High performs across key quality dimensions compared to state benchmarks.

Overall Score
7.8/10
83th percentile in CA
Academic
9.0/10
9.0/10
Growth
8.6/10
Above average
Environment
4.7/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
61%
Teaching Staff
24:1 student-teacher ratio
99 teachers

Location

8880 Baseline Rd., Alta Loma, CA 91701

Nearby Alternatives

Families considering Alta Loma High may also want to explore other high schools in the area. Jasper Elementary (rated 8.2/10, 0.7 miles away), which scores slightly higher. Another option is Valle Vista Elementary (rated 7.2/10, 0.7 miles away, in nearby Rancho Cucamonga), with a comparable rating. Additionally, Foothill Knolls Academy of Innovation (rated 6.9/10, 1.6 miles away, in nearby Upland), with a comparable rating. For more schools in Alta Loma, see our Alta Loma schools guide .

Nearby Schools

20 within 2.2 mi
School Distance Rating
Carnelian Elementary Alta Loma 0.3 mi 6.0
Ansaar Academy Rancho Cucamonga 0.4 mi
Valle Vista Elementary Rancho Cucamonga 0.7 mi 7.2
Jasper Elementary Alta Loma 0.7 mi 8.2
Cucamonga Middle Rancho Cucamonga 0.8 mi 5.7
Alta Loma Elementary Alta Loma 0.8 mi 4.3
Alta Loma Junior High Alta Loma 1.3 mi 5.9
Bear Gulch Elementary Rancho Cucamonga 1.4 mi 3.8
ST PETER & ST PAUL CATHOLIC SCHOOL Alta Loma 1.4 mi 6.5
St. Peter and St Paul Catholic School Alta Loma 1.5 mi
Central Elementary Rancho Cucamonga 1.4 mi 5.9
FOUNTAIN OF TRUTH CHRISTIAN ACADEMY Rancho Cucamonga 1.7 mi 5.7
Fountain of Truth Christian Academy Rancho Cucamonga 1.7 mi
Foothill Knolls Academy of Innovation Upland 1.6 mi 6.9
Los Amigos Elementary Rancho Cucamonga 1.9 mi 4.7
HIGHLAND AVENUE CHRISTIAN SCHOOL Rancho Cucamonga 1.7 mi 4.8
OPEN DOOR Rancho Cucamonga 2.0 mi
Fröhlich International Preparatory Academy Rancho Cucamonga 2.0 mi
Deer Canyon Elementary Alta Loma 1.8 mi 6.6
SAN ANTONIO CHRISTIAN SCHOOL Ontario 2.2 mi 6.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91701 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$113,576

Median Home Value

$718,800

Median Rent

$2,232/mo

Population

38,597

College Educated

36.2%

Homeownership

79.2%

Avg Commute

31.8 min

Poverty Rate

4.8%

Median Age

42.1

Community Profile

The community surrounding Alta Loma High has a median household income of $113,576. It is an area where 36% of adults hold a bachelor's degree or higher. The median home value in the area is $718,800, with a median rent of $2,232/month. The local poverty rate of 4.8% is relatively low. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Amador Valley High Pleasanton, CA 7.8
American High Fremont, CA 7.8
Bonita Vista Senior High Chula Vista, CA 7.8
Bullard High Fresno, CA 7.8
Dublin High Dublin, CA 7.8
El Cerrito High El Cerrito, CA 7.8

Frequently Asked Questions

Common questions about Alta Loma High

What grades does Alta Loma High serve?

Alta Loma High serves students in grades 9th through 12th.

How many students attend Alta Loma High?

Alta Loma High has an enrollment of approximately 2,400 students.

What is the student-teacher ratio at Alta Loma High?

The student-teacher ratio at Alta Loma High is 24.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Alta Loma High rank in CA?

Alta Loma High is ranked #1661 out of 9,533 schools in CA.

What is Alta Loma High's MySchoolScout rating?

Alta Loma High has a composite rating of 7.8 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Alta Loma High?

Based on the most recent state assessment data, Alta Loma High has 44.0% math proficiency and 74.6% reading/ELA proficiency.

Is Alta Loma High a charter school?

No, Alta Loma High is not a charter school. It is a traditional public school operated by the local school district.

Is Alta Loma High a Title I school?

No, Alta Loma High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Alta Loma High?

60.6% of students at Alta Loma High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
73 Very Walkable
Transit Score
21 Minimal Transit
Bike Score
54 Bikeable
County Safety
Low (231/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,400
Student-Teacher Ratio
24.2:1
Teachers (FTE)
99
Free/Reduced Lunch
60.6%
Type
regular
Setting
Large Suburb
County
San Bernardino County
Data Year
2023–2024

District

Chaffey Joint Union High
District Enrollment
22,628
Schools in District
11
Per-Pupil Spending
$16,769
District Rank
#2 of 10

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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