- Enrollment
- 2,876
- Students per teacher
- 19.7:1
- Resource Index
- 43/100
Other / mixed grade configuration · Austin, TX
Zilker El
Federal NCES profile for Zilker El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataOther / mixed grade configurationNCES 480894000369
👥 S:T ratio 30
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 63
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Zilker El earns 41/100 on the Resource Investment Index, with class sizes larger than 83% of Texas schools.
- #76 of 162
- schools in Austin · Resource Index
- 41
- Resource Index · Typical
- 17.4:1
- large classes for Texas
- 21.9%
- free-lunch eligible
Zilker El has class sizes larger than 83% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Zilker El ranks #76 of 162 schools in Austin, TX.
School address
CCD year-over-year · 2022-23 → 2023-24
+7 students YoY
Zilker El held near 495 students from 2022-23 to 2023-24 (+7 headcount).
Teacher FTE added 29.0 → 36.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+7 students YoY 480894000369 · Austin, TX Other · MID · TRAD
506 enr · 17.4:1 · 21.9% lunch · RII 41
Nearest enrollment peer: Bowie H S (2,876 students)
Zilker El held near 495 students from 2022-23 to 2023-24 (+7 headcount). Teacher FTE added 29.0 → 36.0 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Zilker El in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Bowie H S
Bowie H S
2,876 students
- Akins H S
Akins H S
2,421 students
- Austin H S
Austin H S
2,323 students
- Anderson H S
Anderson H S
2,223 students
- Mccallum H S
Mccallum H S
1,897 students
- This school 506
Zilker El
506 students
What this shows Zilker El reports 506 students on the CCD universe file.
How Zilker El compares
Zilker El held steady on CCD headcount: ratios and free-lunch share vs Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.4:1 | ▲ 18% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 21.9% | ▼ 65% | 61.9% | 51.7% |
| Enrollment | 506 | top 49% | - | - |
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.
506
Bigger than 62% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
21.9%
free-lunch eligible
- 65% below the Texas average of 61.9%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.4:1
students per teacher
- 18% above state mean
Top 83% in Texas - lower ratio than 17% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
14.8%
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
$12,950
per pupil, district-wide
- below Texas avg of $14,348
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 506 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 56.9%
Hispanic or Latino 27.3%
Two or More 9.5%
Asian 2.8%
African American 2.6%
American Indian / Alaska Native 0.8%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 56.9% of enrollment.
Student-body diversity index 59.1/100
Simpson diversity index - at 59.1, Zilker El is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
District finance for Austin Isd reports $12,950 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Zilker El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bowie H S | Larger | Similar economic need | Higher S:T ratio |
| Akins H S | Larger | Higher economic need | Similar S:T ratio |
| Austin H S | Larger | Similar economic need | Higher S:T ratio |
| Anderson H S | Larger | Similar economic need | Similar S:T ratio |
| Mccallum H S | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Zilker El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,421
- Students per teacher
- 16.7:1
- Resource Index
- 48/100
- Enrollment
- 2,323
- Students per teacher
- 20.2:1
- Resource Index
- 37/100
- Enrollment
- 2,223
- Students per teacher
- 18.8:1
- Resource Index
- 37/100
- Enrollment
- 1,897
- Students per teacher
- 19.6:1
- Resource Index
- 39/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~506 students)
Frequently asked questions about Zilker El
How many students attend Zilker El?
Zilker El has 506 students enrolled. It is a public school in Austin, TX. CCD year-over-year: 488 (2022-23) → 495 (2023-24), nearly flat (+7).
What is the student-teacher ratio at Zilker El?
The student-teacher ratio at Zilker El is 17.4:1, which is 18% higher than the Texas average of 14.7:1 and 11% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Zilker El?
21.9% of students at Zilker El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Zilker El?
The largest demographic group at Zilker El is White at 56.9% of enrollment, in Austin, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.1/100.
What is the Resource Investment Index for Zilker El?
Zilker El has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Zilker El rank among schools in Austin?
By Resource Investment Index, Zilker El ranks #76 of 162 schools in Austin, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Austin on the city page.
What other schools are in Austin Isd?
Besides Zilker El, Austin Isd also operates Bowie H S (2,876 students), Akins H S (2,421 students), and Austin H S (2,323 students). See the Austin Isd district page for the complete list.