Enrollment
87
California · 2024-25 NCES data
High school (grades 9-12) · Watsonville, CA
Diamond Technology Institute
Federal NCES profile for Diamond Technology Institute, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 062949008366Charter school
👥 S:T ratio 30
📚 AP courses 10
🌟 Gifted program 70
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Diamond Technology Institute earns 35/100 on the Resource Investment Index, with class sizes smaller than 82% of California schools. It is also less racially and ethnically mixed than most California schools.
- #1 of 4
- high schools in Watsonville · Resource Index
- 35
- Resource Index · Typical
- 17.4:1
- small classes for California
- 56.6%
- free-lunch eligible
Diamond Technology Institute has class sizes smaller than 82% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Diamond Technology Institute ranks #1 of 4 high schools in Watsonville, CA.
School address
District: Pajaro Valley Unified · California
NCES ID 062949008366 Verify on NCES CCD record →
Teachers (FTE)
5.0
Federal CCD staff survey
Students per teacher
17.4:1
vs 21.5:1 California avg
-19% vs state
Free-lunch eligible
56.6%
vs 55.5% California avg
+2% vs state
Student-teacher ratio in context
How Diamond Technology Institute compares with California and U.S. medians
What stands out at Diamond Technology Institute
Diamond Technology Institute is a higher-need, small charter high school in Watsonville, California, enrolling 87 students.
Class sizes run a bit leaner than typical: 17.4:1 puts it in the smaller third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 56.6% lands close to the California typical range, neither a high- nor low-need campus by this measure.
This is a small campus: fewer students than 91% of California schools, with 87 enrolled.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 236 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #79.
Its student body is predominantly Hispanic or Latino (93% of enrollment), among the less diverse in the state (diversity index 13/100).
No Advanced Placement courses are reported for this campus in the federal data.
Chronic absenteeism is elevated: 27.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Watsonville's high schools, it stands alongside Watsonville High (2,215 students): Diamond Technology Institute is smaller than that campus by headcount and runs leaner classes (17.4:1 vs 21.7:1).
Pajaro Valley Unified also operates Watsonville High (2,215 students) and Pajaro Valley High (1,293 students) alongside Diamond Technology Institute.
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 Diamond Technology Institute compares
Diamond Technology Institute on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.4:1 | ▼ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 56.6% | ▲ 2% | 55.5% | 51.7% |
| Enrollment | 87 | top 91% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.4:1
Leaner classes than 28% of US schools, heavier class loads than most.
87
Bigger than 9% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
56.6%
free-lunch eligible
- 2% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.4:1
students per teacher
- 19% below state mean
Top 18% in California - lower ratio than 82% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
27.6%
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
$17,011
per pupil, district-wide
- above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 8 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 9.2 per 100 students. Reported via the Civil Rights Data Collection.
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 93.1%
White 4.6%
American Indian / Alaska Native 1.1%
Two or More 1.1%
Largest group: Hispanic or Latino at 93.1% of enrollment.
Student-body diversity index 13.1/100
Simpson diversity index - at 13.1, Diamond Technology Institute is less mixed than the California school average of 46.0.
Programs
AP program Not offered
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Pajaro Valley Unified, which includes Diamond Technology Institute.
$17,011
Per student
+3%
vs California
Avg $16,509
+3%
vs U.S.
Avg $16,593
Revenue mix
Local 30.6%
State 56.5%
Federal 12.9%
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 Diamond Technology Institute Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Watsonville High | Larger | Higher economic need | Higher S:T ratio |
| Pajaro Valley High | Larger | Higher economic need | Higher S:T ratio |
| Aptos High | Larger | Lower economic need | Higher S:T ratio |
| Alianza Charter | Larger | Similar economic need | Higher S:T ratio |
| Rolling Hills Middle | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Diamond Technology Institute's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,215
- Students per teacher
- 21.7:1
- Resource Index
- 33/100
- Enrollment
- 1,293
- Students per teacher
- 19.9:1
- Resource Index
- 26/100
- Enrollment
- 1,274
- Students per teacher
- 19.6:1
- Resource Index
- 31/100
- Enrollment
- 626
- Students per teacher
- 22.4:1
- Resource Index
- 18/100
- Enrollment
- 588
- Students per teacher
- 21:1
- Resource Index
- 22/100
Similar high schools in Watsonville
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 (~87 students)
Similar student-teacher ratio (~17.4:1)
Next steps
Verify locally before acting on Diamond Technology Institute's federal record.
- Compare Diamond Technology Institute against another school. Compare schools
- Pajaro Valley 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 Diamond Technology Institute
How many students attend Diamond Technology Institute?
Diamond Technology Institute has 87 students enrolled. It is a high school in Watsonville, CA.
What is the student-teacher ratio at Diamond Technology Institute?
The student-teacher ratio at Diamond Technology Institute is 17.4:1, which is 19% lower than the California average of 21.5:1 and 11% higher 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 Diamond Technology Institute?
56.6% of students at Diamond Technology Institute are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Diamond Technology Institute?
The largest demographic group at Diamond Technology Institute is Hispanic or Latino at 93.1% of enrollment, in Watsonville, CA.
What is the Resource Investment Index for Diamond Technology Institute?
Diamond Technology Institute has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Diamond Technology Institute rank among high schools in Watsonville?
By Resource Investment Index, Diamond Technology Institute ranks #1 of 4 high schools in Watsonville, 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 Watsonville on the city page.
Is Diamond Technology Institute a good school?
Diamond Technology Institute earns 35/100 on the Resource Investment Index, with class sizes smaller than 82% of California schools. It is also less racially and ethnically mixed than most 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 Pajaro Valley Unified?
Besides Diamond Technology Institute, Pajaro Valley Unified also operates Watsonville High (2,215 students), Pajaro Valley High (1,293 students), and Aptos High (1,274 students). See the Pajaro Valley 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.