1
What's the most underrated thing about WILLIAM D SLIDER MIDDLE that outsiders don't know?
Community prompt from u/allk12. Replies below.
Enrollment
627
Middle
DISTRICT 747 · STATE 643
SCHOOL COMMUNITY·SOCORRO ISD·NCES 484071021237
William D Slider Middle School
11700 SCHOOL LN, EL PASO, TX 79936 · (915) 937-5400 · El Paso County
GRADES 06–08MIDDLE11-CITYTITLE IREGULAR SCHOOL627 STUDENTS
Student : Teacher
15.3:1
41 FTE teachers
DISTRICT 16.2:1 · STATE 14.4:1
Free / Reduced Lunch
75%
469 students
DISTRICT 74% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 201 | 32% |
| Grade 7 | 194 | 31% |
| Grade 8 | 232 | 37% |
Student demographics
7%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 17% · STATE 63% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
STAAR 2025-26 . % Meets Grade Level or AboveReading
71.0%
TX avg 54.5% . +40.0pp since 2020
Mathematics
61.0%
TX avg 45.3% . +54.0pp since 2020
What this means: On the STAAR, Texas's statewide test, about 71 of every 100 students at this school read at grade level and about 61 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 40 points since 2020, while math scores are up about 54 points.
Performance levels, 2025-26
| Subject | Masters Grade Level | Meets Grade Level | Approaches Grade Level | Did Not Meet Grade Level |
|---|---|---|---|---|
| Reading | 36.0% | 35.0% | 17.0% | 12.0% |
| Mathematics | 27.0% | 34.0% | 24.0% | 15.0% |
Share of tested students at each STAAR level. Each student counts in one level, so a row adds to about 100%.
STAAR results by year
| School year | Reading | Mathematics |
|---|---|---|
| 2025-26 | 71.0% | 61.0% |
| 2024-25 | 65.0% | 50.0% |
| 2023-24 | 61.0% | 41.0% |
| 2022-23 | 48.0% | 35.0% |
| 2021-22 | 43.0% | 27.0% |
| 2020-21 | 31.0% | 7.0% |
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
47.7%
composite math + reading, all grades
Predicted
41.8%
based on TX schools with similar FRL share
Beats by
+5.9pp
above demographic expectation
What this means: About 48% of students here test proficient in math and reading, compared with the roughly 42% typical for Texas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Texas's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like William D Slider Middle School
William D Slider Middle School's state test result (47.7% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| William D Slider Middle School this school | 627 | 74.8% | 47.7% |
| George Washington Middle School LAREDO | 579 | 75.0% | 52.0% |
| Montwood Middle School EL PASO | 597 | 73.0% | 53.4% |
| Mission Junior High School MISSION | 711 | 74.4% | 43.2% |
| Capt Walter E Clarke Middle School EL PASO | 670 | 77.2% | 49.5% |
| San Felipe Memorial Middle School DEL RIO | 671 | 70.6% | 43.0% |
Matched among Texas middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where William D Slider Middle School ranks
Among middle schools| Measure | This school | In Texas | In El Paso County |
|---|---|---|---|
| State test proficiency ranked highest first | 47.7% | #590 of 1,635 | #13 of 41 |
| Math proficiency ranked highest first | 61.0% | #287 of 1,670 ▲ 244 | #7 of 41 ▲ 4 |
| Reading proficiency ranked highest first | 71.0% | #272 of 1,670 ▲ 127 | #4 of 41 ▲ 3 |
| 3-year test score change ranked biggest gain first | +24.5pp | #159 of 1,570 | #5 of 40 |
| Enrollment ranked largest first | 627 | #883 of 1,749 | #22 of 41 |
| Students per teacher ranked fewest first | 15.3:1 | #947 of 1,542 | #19 of 37 |
| Diversity index ranked most diverse first | 6.8% | #1,423 of 1,543 | #28 of 37 |
| Free and reduced lunch ranked highest share first | 74.8% | #622 of 1,648 | #25 of 41 |
| Enrollment change since 2017-18 ranked steepest decline first | -13.9% | #512 of 942 | #19 of 24 |
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
627
-176 (-22%) vs 2020
-42% since 2000-01, when it was 1,074
Student : Teacher
15.3:1
was 17.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 627 | 40.9 | 15.3:1 | 75% (469) |
| 2023-24 | 635 | 30 | 21.2:1 | 79% (500) |
| 2022-23 | 703 | 44 | 16.0:1 | 78% (551) |
| 2020-21 | 803 | 46 | 17.5:1 | 76% (611) |
| 2017-18 | 728 | 41.4 | 17.6:1 | 71% (518) |
| 2015-16 | 716 | 37 | 19.4:1 | 68% (488) |
| 2010-11 | 925 | 58 | 15.9:1 | 65% (597) |
| 2000-01 | 1,074 | 66 | 16.3:1 | 52% (556) |
Source: NCES Common Core of Data. Rows are the federal collections on file for William D Slider Middle School.
Since 2017-18: students down 14% (728 to 627); teachers down 1% (41.4 to 40.9).
About William D Slider Middle School
William D Slider Middle School is a medium-sized middle school for students in EL PASO, Texas. Enrollment in 2024-25 was 627 students in grades 6 through 8.
A total of 51 schools make up SOCORRO ISD, with 46,668 students enrolled.
About 96% of the student body at William D Slider Middle School is Hispanic. Smaller groups are 2% White. County-wide, 83% of El Paso County residents are Hispanic. The school's diversity index is 7%, meaning two students picked at random have a 7% chance of belonging to different racial or ethnic groups.
The school employs the equivalent of 40.9 full-time teachers, for a ratio of 15.3:1. That is higher than the 14.4:1 average for middle schools in Texas. The free or reduced-price lunch share, often used to gauge student poverty, is 75%. For comparison, public schools in El Paso County average 74%.
The BeatsExpectations prediction for William D Slider Middle School is 41.8%, and its average proficiency rate on state tests is 47.7%.
Census Bureau estimates for El Paso County show that the median household income is $59,806, roughly 26% of adults have a four-year degree or more, and the share of residents below the poverty line is 16%. There are 273 public schools in El Paso County, enrolling about 165,404 students in all.
The nearest public school is O'Shea Keleher Whole Child Academy, at about 0.3 miles. Inside a five-mile radius, there are at least 8 other public schools. Nearby schools with test data average 42.6% proficiency; William D Slider Middle School posts 47.7%.
In the federal locale system, William D Slider Middle School is coded City: Large, for schools inside a principal city with a population of 250,000 or more.
Federal data show a 22% enrollment decrease, from 803 in 2020-21 to 627 in 2024-25. The student-to-teacher ratio fell from 17.5:1 in 2020-21 to 15.3:1 in 2024-25.
Discussions about William D Slider Middle School may include school events, clubs, and volunteer needs. Questions from prospective families are welcome too.
El Paso County at a glance
View full county profilePopulation
870,779
Census ACS
Median income
$59,806
Household, ACS
Bachelor's+
26%
Adults 25+
Poverty rate
16%
Below federal line
Schools in county
273
165,404 students
Quick facts
Related schools
Other schools in SOCORRO ISD
- Eastlake High SchoolHigh · 3,004 students
- Pebble Hills High SchoolHigh · 2,952 students
- Socorro High SchoolHigh · 2,579 students
- Montwood High SchoolHigh · 2,499 students
- El Dorado High SchoolHigh · 2,109 students
- Americas High SchoolHigh · 2,049 students
Other schools in EL PASO
- Eastlake High SchoolHigh · 3,004 students
- Pebble Hills High SchoolHigh · 2,952 students
- Franklin High SchoolHigh · 2,835 students
- Socorro High SchoolHigh · 2,579 students
- Coronado High SchoolHigh · 2,576 students
- Montwood High SchoolHigh · 2,499 students
Nearby schools
- O'Shea Keleher Whole Child Academy0.3 mi · 672
- Montwood High School0.5 mi · 2,499
- Helen Ball Elementary School0.9 mi · 576
- Vista Del Sol Environmental Science0.9 mi · 505
- Benito Martinez Elementary School0.9 mi · 470
- El Paso Leadership Academy - Middle East1.0 mi · 166
Frequently asked questions
About William D Slider Middle SchoolHow many students attend William D Slider Middle School?
William D Slider Middle School enrolls approximately 627 students in grades 06-08.
What grades does William D Slider Middle School serve?
William D Slider Middle School serves grades 06-08.
What is the student-teacher ratio at William D Slider Middle School?
The student-to-teacher ratio at William D Slider Middle School is approximately 15.3:1 (41 FTE teachers).
How diverse is William D Slider Middle School?
William D Slider Middle School reports a student body of 2% White, 96% Hispanic, 1% Black, 0% Asian, 0% Two or more.
Who oversees William D Slider Middle School?
William D Slider Middle School is overseen by SOCORRO ISD in El Paso County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.