Enrollment
724
Texas · 2024-25 NCES data
Other / mixed grade configuration · Sachse, TX
John W Armstrong El
Federal NCES profile for John W Armstrong El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataOther / mixed grade configurationNCES 482034009200
👥 S:T ratio 34
🌟 Gifted program 70
🎓 Counselors 28
📋 Attendance 53
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
John W Armstrong El earns 46/100 on the Resource Investment Index, with class sizes larger than 76% of Texas schools. It is also more racially and ethnically mixed than most Texas schools.
- #1 of 4
- schools in Sachse · Resource Index
- 46
- Resource Index · Typical
- 16.5:1
- large classes for Texas
- 35.3%
- free-lunch eligible
John W Armstrong El has class sizes larger than 76% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, John W Armstrong El ranks #1 of 4 schools in Sachse, TX.
School address
Teachers (FTE)
44.0
Federal CCD staff survey
Students per teacher
16.5:1
vs 14.7:1 Texas avg
+12% vs state
Free-lunch eligible
35.3%
vs 61.9% Texas avg
-43% vs state
Student-teacher ratio in context
How John W Armstrong El compares with Texas and U.S. medians
What stands out at John W Armstrong El
John W Armstrong El is a mid-sized combined-grade school in Sachse, Texas, enrolling 724 students.
Class loads run somewhat heavier than typical: 16.5:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 35.3% of students eligible for free meals.
Enrollment of 724 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 1,070 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #357.
Its student body is led by White (34%) and Hispanic or Latino (24%), more mixed than most schools in the state (diversity index 76/100).
Counselor availability sits well past the ASCA benchmark, roughly 362 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 18.9% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 18.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Garland Isd also operates Sachse H S (2,935 students) and N Garland H S (2,929 students) alongside John W Armstrong El.
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 John W Armstrong El compares
John W Armstrong El on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.5:1 | ▲ 12% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 35.3% | ▼ 43% | 61.9% | 51.7% |
| Enrollment | 724 | top 25% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
724
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
35.3%
free-lunch eligible
- 43% below the Texas average of 61.9%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.5:1
students per teacher
- 12% above state mean
Top 76% in Texas - lower ratio than 24% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
18.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$11,092
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 362 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 0 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 0.3 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
White 33.7%
Hispanic or Latino 23.9%
Asian 21.3%
African American 13.5%
Two or More 6.5%
American Indian / Alaska Native 0.8%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 33.7% of enrollment.
Student-body diversity index 76.1/100
Simpson diversity index - at 76.1, John W Armstrong El is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Garland Isd, which includes John W Armstrong El.
$11,092
Per student
-19%
vs Texas
Avg $13,644
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 43.7%
State 37.7%
Federal 18.6%
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 John W Armstrong El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sachse H S | Larger | Similar economic need | Similar S:T ratio |
| N Garland H S | Larger | Higher economic need | Similar S:T ratio |
| Garland H S | Larger | Higher economic need | Similar S:T ratio |
| Rowlett H S | Larger | Higher economic need | Lower S:T ratio |
| Lakeview Centennial H S | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to John W Armstrong El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,935
- Students per teacher
- 17.8:1
- Resource Index
- 44/100
- Enrollment
- 2,929
- Students per teacher
- 17.6:1
- Resource Index
- 41/100
- Enrollment
- 2,335
- Students per teacher
- 15.1:1
- Resource Index
- 36/100
- Enrollment
- 2,156
- Students per teacher
- 14.7:1
- Resource Index
- 38/100
- Enrollment
- 2,073
- Students per teacher
- 14.5:1
- Resource Index
- 39/100
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 (~724 students)
Next steps
Verify locally before acting on John W Armstrong El's federal record.
- Compare John W Armstrong El against another school. Compare schools
- Garland 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 John W Armstrong El
How many students attend John W Armstrong El?
John W Armstrong El has 724 students enrolled. It is a public school in Sachse, TX.
What is the student-teacher ratio at John W Armstrong El?
The student-teacher ratio at John W Armstrong El is 16.5:1, which is 12% higher than the Texas average of 14.7:1 and 5% higher than the national average of 15.7:1.
What percentage of students receive free lunch at John W Armstrong El?
35.3% of students at John W Armstrong El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of John W Armstrong El?
The largest demographic group at John W Armstrong El is White at 33.7% of enrollment, in Sachse, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 76.1/100.
What is the Resource Investment Index for John W Armstrong El?
John W Armstrong El has a Resource Investment Index of 46/100 (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 John W Armstrong El rank among schools in Sachse?
By Resource Investment Index, John W Armstrong El ranks #1 of 4 schools in Sachse, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Sachse on the city page.
Is John W Armstrong El a good school?
John W Armstrong El earns 46/100 on the Resource Investment Index, with class sizes larger than 76% of Texas schools. It is also more 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 Garland Isd?
Besides John W Armstrong El, Garland Isd also operates Sachse H S (2,935 students), N Garland H S (2,929 students), and Garland H S (2,335 students). See the Garland 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.