Enrollment
140
California · 2024-25 NCES data
High school (grades 9-12) · Manteca, CA
Calla High
Federal NCES profile for Calla High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 062361007775
👥 S:T ratio 49
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 72
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Calla High earns 32/100 on the Resource Investment Index, with class sizes smaller than 93% of California schools.
- #1 of 4
- high schools in Manteca · Resource Index
- 32
- Resource Index · Typical
- 12.7:1
- small classes for California
- 55.0%
- free-lunch eligible
Calla High has class sizes smaller than 93% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Calla High ranks #1 of 4 high schools in Manteca, CA.
School address
District: Manteca Unified · California
NCES ID 062361007775 Verify on NCES CCD record →
Teachers (FTE)
11.0
Federal CCD staff survey
Students per teacher
12.7:1
vs 21.5:1 California avg
-41% vs state
Free-lunch eligible
55.0%
vs 55.5% California avg
-1% vs state
Student-teacher ratio in context
How Calla High compares with California and U.S. medians
What stands out at Calla High
Calla High is a higher-need, small high school in Manteca, California, enrolling 140 students.
Classes run notably small here: at 12.7:1, Calla High is leaner than roughly 93% of California schools and 41% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 55.0% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 140 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 353 statewide peers matched on enrollment and economic need, it ranks mid-pack at #153.
Its student body is led by Hispanic or Latino (65%) and White (16%) (diversity index 54/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 140 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 98.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Manteca Unified spends $12,941 per pupil, 22% below the California average, a leaner-resourced district than most.
Discipline events run high: 33 in- and out-of-school suspensions were reported for 140 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Among Manteca's high schools, it stands alongside Manteca High (1,907 students): Calla High is smaller than that campus by headcount and runs leaner classes (12.7:1 vs 21.4:1).
Manteca Unified also operates Manteca High (1,907 students) and Sierra High (1,670 students) alongside Calla High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Calla High compares
Calla High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.7:1 | ▼ 41% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 55.0% | ▼ 1% | 55.5% | 51.7% |
| Enrollment | 140 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.7:1
Leaner classes than 69% of US schools, among the more generously staffed nationally.
140
Bigger than 14% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
55.0%
free-lunch eligible
- 1% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12.7:1
students per teacher
- 41% below state mean
Top 7% in California - lower ratio than 93% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
98.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$12,941
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 140 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 33 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 23.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 6 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 65.0%
White 15.7%
African American 7.1%
Asian 6.4%
Two or More 4.3%
American Indian / Alaska Native 0.7%
Native Hawaiian / Pacific Islander 0.7%
Largest group: Hispanic or Latino at 65.0% of enrollment.
Student-body diversity index 54.2/100
Simpson diversity index - at 54.2, Calla High is more mixed than the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Manteca Unified, which includes Calla High.
$12,941
Per student
-22%
vs California
Avg $16,509
-22%
vs U.S.
Avg $16,593
Revenue mix
Local 29.3%
State 59.7%
Federal 11.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Calla High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Manteca High | Larger | Similar economic need | Higher S:T ratio |
| Sierra High | Larger | Lower economic need | Higher S:T ratio |
| East Union High | Larger | Lower economic need | Higher S:T ratio |
| Lathrop High | Larger | Lower economic need | Higher S:T ratio |
| Veritas Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Calla High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,907
- Students per teacher
- 21.4:1
- Resource Index
- 26/100
- Enrollment
- 1,670
- Students per teacher
- 23.2:1
- Resource Index
- 36/100
- Enrollment
- 1,524
- Students per teacher
- 19.5:1
- Resource Index
- 33/100
- Enrollment
- 1,486
- Students per teacher
- 20.6:1
- Resource Index
- 35/100
- Enrollment
- 1,266
- Students per teacher
- 34.2:1
- Resource Index
- 29/100
Similar high schools in Manteca
3 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~140 students)
Next steps
Verify locally before acting on Calla High's federal record.
- Compare Calla High against another school. Compare schools
- Manteca Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Calla High
How many students attend Calla High?
Calla High has 140 students enrolled. It is a high school in Manteca, CA.
What is the student-teacher ratio at Calla High?
The student-teacher ratio at Calla High is 12.7:1, which is 41% lower than the California average of 21.5:1 and 19% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Calla High?
55.0% of students at Calla High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Calla High?
The largest demographic group at Calla High is Hispanic or Latino at 65.0% of enrollment, in Manteca, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.2/100.
What is the Resource Investment Index for Calla High?
Calla High has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Calla High rank among high schools in Manteca?
By Resource Investment Index, Calla High ranks #1 of 4 high schools in Manteca, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Manteca on the city page.
Is Calla High a good school?
Calla High earns 32/100 on the Resource Investment Index, with class sizes smaller than 93% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Manteca Unified?
Besides Calla High, Manteca Unified also operates Manteca High (1,907 students), Sierra High (1,670 students), and East Union High (1,524 students). See the Manteca Unified district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.