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
Enrollment
153
Student-Teacher
15.3:1
Score
6.6
Grades
9th – 12th
Updated
2022-23
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 metricsView breakdown
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Calla High — Students at Calla High score 12% proficient, which is below what's typical for similar communities (expected: 32%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
74.5%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 2.5% (2019) to 1.75% (2024). Reading/ELA proficiency has improved from 12% (2019) to 21.43% (2024).
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.
Explore More Schools
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
- Phone
- (209) 858-7230
- Data Year
- 2023–2024
Resources & Links
District
Manteca Unified- District Enrollment
- 25,000
- Schools in District
- 30
- Per-Pupil Spending
- $14,801
- District Rank
- #1 of 29
Other Schools in This District
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 methodologyRelated reading
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