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Average

#4191 of 9,533 schools in CA

Top 44% in state

Calla High

High School · Manteca Unified

PO Box 32, Manteca, CA 95336

Enrollment

153

Student-Teacher

15.3:1

Score

6.6

Grades

9th – 12th

Updated 2022-23

How this school compares

In Manteca

#1 of 28

public schools

California high schools

#829 of 1,892

In district

#1 of 29

Manteca Unified

Academic growth

9.2 / 10

Exceptional

About Calla High

Calla High is an alternative high school located in Manteca, California, serving students from ninth to twelfth grade. With a student body of 153 and a student-to-teacher ratio of 15.3:1, the school offers personalized attention that can be crucial for its unique educational approach. Calla High has ten full-time equivalent teachers who focus on providing support to students in a small suburban setting.

Academically, Calla High is rated at 4.0 out of 10 by MySchoolScout and ranks as the 7002nd school out of 9566 in California, placing it around the 27th percentile. The academic score is 1.6/10, indicating areas for growth, particularly in ELA and reading where only 17% of students are proficient or above, and math where just 3% meet proficiency standards. While Calla High's test scores suggest room for improvement, the school focuses on meeting individual student needs within its supportive suburban community.

What Parents Should Know

With an enrollment of 153 students, Calla High is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

While current test scores at Calla High are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.2Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change+0.85 pts/yr
Data Period2019–2024
TrendStable
Academics2.3Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency1.8%
Reading/ELA Proficiency21.4%
Math vs. State Avg-26.2 pts
Reading vs. State Avg-34.5 pts
Overall Proficiency12%
Expected (poverty-adj.)32%
vs. Expected-20.8 pts
Adjusted Percentile7th
College Readiness6.5Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment8.8Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.3:1
Per-Pupil Spending$12,953

Calla High — Students at Calla High score 12% proficient, which is below what's typical for similar communities (expected: 32%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

74.5%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 2.8%
School
State
31.8%
ELA Proficiency 17.5%
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
2.5%
ELA
12%
2021*
Math
5%
ELA
15%
2024
Math
1.8%
ELA
21.4%

* 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: 9.2/10.

How Calla High Compares

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

Overall Score
6.6/10
56th percentile in CA
Academic
2.3/10
2.3/10
Growth
9.2/10
Above average
Environment
8.8/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
75%
Teaching Staff
15:1 student-teacher ratio
10 teachers

Location

PO Box 32, Manteca, CA 95336

Nearby Alternatives

Families considering Calla High may also want to explore other high schools in the area. Manteca High (rated 6.3/10, 1.8 miles away), with a very similar rating. Another option is Sierra High (rated 6.3/10, 3.6 miles away), with a very similar rating. Additionally, East Union High (rated 5.2/10, 3.4 miles away), a more accessible option. For more schools in Manteca, see our Manteca schools guide .

Nearby Schools

20 within 3.9 mi
School Distance Rating
Joshua Cowell Elementary Manteca 0.8 mi 2.6
Lincoln Elementary Manteca 1.5 mi 3.0
Shasta Elementary Manteca 1.6 mi 3.4
ST ANTHONY CATHOLIC SCHOOL Manteca 1.7 mi 6.2
St. Anthony's Catholic School Manteca 1.7 mi
Manteca High Manteca 1.8 mi 6.3
New Haven Elementary Manteca 2.3 mi 4.1
Walter Woodward Elementary Manteca 2.4 mi 4.5
Golden West Elementary Manteca 2.3 mi 3.9
Sequoia Elementary Manteca 2.5 mi 3.2
Yosemite School Community Day (7-12) Manteca 2.6 mi 4.1
Yosemite School Community Day (K-6) Manteca 2.6 mi
Veritas Elementary Manteca 3.0 mi 5.0
Neil Hafley Elementary Manteca 3.2 mi 3.6
East Union High Manteca 3.4 mi 5.2
Brock Elliott Elementary Manteca 3.3 mi 2.8
Park View Elementary Ripon 3.7 mi 5.3
Sierra High Manteca 3.6 mi 6.3
California Connections Academy Northern California Ripon 4.3 mi 2.7
George McParland Elementary Manteca 3.9 mi 3.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 95336 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$86,411

Median Home Value

$522,800

Median Rent

$1,774/mo

Population

49,357

College Educated

16.4%

Homeownership

69.7%

Avg Commute

37.8 min

Poverty Rate

10.3%

Median Age

38.5

Community Profile

The community surrounding Calla High has a median household income of $86,411. It is a community where 16% of adults hold a bachelor's degree or higher. The median home value in the area is $522,800, with a median rent of $1,774/month. The area has a poverty rate of 10.3%. The average commute in the area is 38 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Apollo High San Jose, CA 6.6
Black Rock Alternative/Continuation Twentynine Palms, CA 6.6
Central Valley High (Continuation) Shafter, CA 6.6
Come Back Charter Merced, CA 6.6
Delta High Clarksburg, CA 6.6
Lone Pine High Lone Pine, CA 6.6

Frequently Asked Questions

Common questions about Calla High

What grades does Calla High serve?

Calla High serves students in grades 9th through 12th.

How many students attend Calla High?

Calla High has an enrollment of approximately 153 students.

What is the student-teacher ratio at Calla High?

The student-teacher ratio at Calla High is 15.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Calla High rank in CA?

Calla High is ranked #4191 out of 9,533 schools in CA.

What is Calla High's MySchoolScout rating?

Calla High has a composite rating of 6.6 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 Calla High?

Based on the most recent state assessment data, Calla High has 2.8% math proficiency and 17.5% reading/ELA proficiency.

Is Calla High a charter school?

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

Is Calla High a Title I school?

No, Calla High is not currently a Title I school.

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

74.5% of students at Calla 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

City Safety
High (1,832/100K)

FBI UCR 2024. City-level (Manteca). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
153
Student-Teacher Ratio
15.3:1
Teachers (FTE)
10
Free/Reduced Lunch
74.5%
Type
alternative
Setting
Small Suburb
County
San Joaquin County
Data Year
2023–2024

District

Manteca Unified
District Enrollment
25,000
Schools in District
30
Per-Pupil Spending
$14,801
District Rank
#1 of 29

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

Related reading

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