Enrollment
627
Texas · 2024-25 NCES data
Middle school (grades 6-8) · El Paso, TX
William D Slider Middle
Federal NCES profile for William D Slider Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 484071021237
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 37
📋 Attendance 12
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William D Slider Middle earns 40/100 on the Resource Investment Index, with class sizes near the Texas median. It is also less racially and ethnically mixed than most Texas schools.
- #20 of 33
- middle schools in El Paso · Resource Index
- 40
- Resource Index · Typical
- 14.6:1
- students per teacher
- 69.0%
- free-lunch eligible
William D Slider Middle has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, William D Slider Middle ranks #20 of 33 middle schools in El Paso, TX.
School address
Teachers (FTE)
43.0
Federal CCD staff survey
Students per teacher
14.6:1
vs 14.7:1 Texas avg
-1% vs state
Free-lunch eligible
69.0%
vs 61.9% Texas avg
+11% vs state
Student-teacher ratio in context
How William D Slider Middle compares with Texas and U.S. medians
What stands out at William D Slider Middle
William D Slider Middle is a higher-need, mid-sized middle school in El Paso, Texas, enrolling 627 students.
At 14.6:1, its student-teacher ratio sits close to the Texas median, within a few percentage points of the 14.7:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 69.0% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
Enrollment of 627 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Against 1,846 statewide peers matched on enrollment and economic need, it ranks mid-pack at #954.
Its student body is predominantly Hispanic or Latino (97% of enrollment), among the less diverse in the state (diversity index 7/100).
Counselor coverage runs a bit thin, about 314 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 35.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Socorro Isd spends $10,745 per pupil, 21% below the Texas average, a leaner-resourced district than most.
Its district draws 18.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 160 in- and out-of-school suspensions were reported for 627 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Socorro Isd also operates Eastlake H S (3,004 students) and Pebble Hills H S (2,952 students) alongside William D Slider Middle.
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 William D Slider Middle compares
William D Slider Middle on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.6:1 | ▼ 1% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 69.0% | ▲ 11% | 61.9% | 51.7% |
| Enrollment | 627 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.6:1
Leaner classes than 51% of US schools, a middle-of-the-pack class size.
627
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
69.0%
free-lunch eligible
- 11% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.6:1
students per teacher
- 1% below state mean
Top 55% in Texas - lower ratio than 45% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
35.4%
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
$10,745
per pupil, district-wide
- below Texas avg of $13,644
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 314 students, the combined health-and-guidance staffing load for this school.
Discipline context
102
in-school suspensions + 58 out-of-school
Suspension rate: 16.3 per 100 students. Combined in-school and out-of-school rate: 25.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 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 96.5%
White 2.2%
African American 0.8%
Asian 0.3%
Two or More 0.2%
Largest group: Hispanic or Latino at 96.5% of enrollment.
Student-body diversity index 6.8/100
Simpson diversity index - at 6.8, William D Slider Middle is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Socorro Isd, which includes William D Slider Middle.
$10,745
Per student
-21%
vs Texas
Avg $13,644
-35%
vs U.S.
Avg $16,593
Revenue mix
Local 27.5%
State 54.5%
Federal 18.0%
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 William D Slider Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eastlake H S | Larger | Lower economic need | Higher S:T ratio |
| Pebble Hills H S | Larger | Lower economic need | Higher S:T ratio |
| Socorro H S | Larger | Similar economic need | Higher S:T ratio |
| Montwood H S | Larger | Similar economic need | Higher S:T ratio |
| El Dorado H S | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to William D Slider Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,004
- Students per teacher
- 20.4:1
- Resource Index
- 35/100
- Enrollment
- 2,952
- Students per teacher
- 18.9:1
- Resource Index
- 32/100
- Enrollment
- 2,579
- Students per teacher
- 18.2:1
- Resource Index
- 44/100
- Enrollment
- 2,499
- Students per teacher
- 17.1:1
- Resource Index
- 39/100
- Enrollment
- 2,109
- Students per teacher
- 16.1:1
- Resource Index
- 36/100
Similar middle 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 (~627 students)
Similar student-teacher ratio (~14.6:1)
Next steps
Verify locally before acting on William D Slider Middle's federal record.
- Compare William D Slider Middle against another school. Compare schools
- Socorro 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 William D Slider Middle
How many students attend William D Slider Middle?
William D Slider Middle has 627 students enrolled. It is a middle school in El Paso, TX.
What is the student-teacher ratio at William D Slider Middle?
The student-teacher ratio at William D Slider Middle is 14.6:1, which is 1% lower than the Texas average of 14.7:1 and 7% 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 William D Slider Middle?
69.0% of students at William D Slider Middle are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of William D Slider Middle?
The largest demographic group at William D Slider Middle is Hispanic or Latino at 96.5% of enrollment, in El Paso, TX.
What is the Resource Investment Index for William D Slider Middle?
William D Slider Middle has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does William D Slider Middle rank among middle schools in El Paso?
By Resource Investment Index, William D Slider Middle ranks #20 of 33 middle schools in El Paso, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in El Paso on the city page.
Is William D Slider Middle a good school?
William D Slider Middle earns 40/100 on the Resource Investment Index, with class sizes near the Texas median. It is also less racially and ethnically mixed than most 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 Socorro Isd?
Besides William D Slider Middle, Socorro Isd also operates Eastlake H S (3,004 students), Pebble Hills H S (2,952 students), and Socorro H S (2,579 students). See the Socorro 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.