Enrollment
278
Texas · 2024-25 NCES data
Other / mixed grade configuration · Sonora, TX
Sonora Secondary School
Federal NCES profile for Sonora Secondary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 67/100.
2024-25 NCES dataOther / mixed grade configurationNCES 484080004629
👥 S:T ratio 65
🌟 Gifted program 70
📋 Attendance 67
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sonora Secondary School earns 67/100 on the Resource Investment Index, with class sizes smaller than 94% of Texas schools.
- 67
- Resource Index · Higher
- 8.7:1
- small classes for Texas
- 44.8%
- free-lunch eligible
- 278
- students enrolled
Sonora Secondary School has class sizes smaller than 94% of Texas schools. Computed live against every Texas school reporting to NCES.
School address
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
8.7:1
vs 14.7:1 Texas avg
-41% vs state
Free-lunch eligible
44.8%
vs 61.9% Texas avg
-28% vs state
Student-teacher ratio in context
How Sonora Secondary School compares with Texas and U.S. medians
What stands out at Sonora Secondary School
Sonora Secondary School is a mid-sized combined-grade school in Sonora, Texas, enrolling 278 students.
Classes run notably small here: at 8.7:1, Sonora Secondary School is leaner than roughly 94% of Texas schools and 41% under the state's 14.7:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 44.8% of students eligible for free meals.
Enrollment of 278 puts it in the smaller third of Texas schools by headcount.
Its Resource Investment Index outscores 97% of the 8,960 Texas schools with a score on record, a top-tier result on this measure.
Among 666 similarly sized, similarly resourced-need Texas schools statewide, it ranks #20, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (79%) and White (21%) (diversity index 34/100).
13.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Its district, Sonora Isd, also runs Sonora El (365 students).
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 Sonora Secondary School compares
Sonora Secondary School on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.7:1 | ▼ 41% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 44.8% | ▼ 28% | 61.9% | 51.7% |
| Enrollment | 278 | top 77% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.7:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
278
Bigger than 29% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
44.8%
free-lunch eligible
- 28% below the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
8.7:1
students per teacher
- 41% below state mean
Top 6% in Texas - lower ratio than 94% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
13.3%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$15,612
per pupil, district-wide
- above Texas avg of $13,644
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
41
in-school suspensions + 7 out-of-school
Suspension rate: 14.7 per 100 students. Combined in-school and out-of-school rate: 17.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 78.8%
White 20.5%
Asian 0.4%
Two or More 0.4%
Largest group: Hispanic or Latino at 78.8% of enrollment.
Student-body diversity index 33.7/100
Simpson diversity index - at 33.7, Sonora Secondary School is less mixed than the Texas school average of 44.7.
Programs
AP courses offered 1
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Sonora Isd, which includes Sonora Secondary School.
$15,612
Per student
+14%
vs Texas
Avg $13,644
-6%
vs U.S.
Avg $16,593
Revenue mix
Local 63.6%
State 21.9%
Federal 14.5%
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 Sonora Secondary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sonora El | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Sonora Secondary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 365
- Students per teacher
- 12.2:1
- Resource Index
- 49/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Texas, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~278 students)
Similar student-teacher ratio (~8.7:1)
Next steps
Verify locally before acting on Sonora Secondary School's federal record.
- Compare Sonora Secondary School against another school. Compare schools
- Sonora Isd'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 Sonora Secondary School
How many students attend Sonora Secondary School?
Sonora Secondary School has 278 students enrolled. It is a public school in Sonora, TX.
What is the student-teacher ratio at Sonora Secondary School?
The student-teacher ratio at Sonora Secondary School is 8.7:1, which is 41% lower than the Texas average of 14.7:1 and 45% 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 Sonora Secondary School?
44.8% of students at Sonora Secondary School are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Sonora Secondary School?
The largest demographic group at Sonora Secondary School is Hispanic or Latino at 78.8% of enrollment, in Sonora, TX.
What is the Resource Investment Index for Sonora Secondary School?
Sonora Secondary School has a Resource Investment Index of 67/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, AP course offerings, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Sonora Secondary School a good school?
Sonora Secondary School earns 67/100 on the Resource Investment Index, with class sizes smaller than 94% of Texas 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 Sonora Isd?
Besides Sonora Secondary School, Sonora Isd also operates Sonora El (365 students). See the Sonora Isd 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.