Enrollment
1,508
Texas · 2024-25 NCES data
Other / mixed grade configuration · Katy, TX
Robertson El
Federal NCES profile for Robertson El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 0/100.
2024-25 NCES dataOther / mixed grade configurationNCES 482517014258
👥 S:T ratio 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Robertson El earns 0/100 on the Resource Investment Index, with class sizes larger than 99% of Texas schools. It is also one of the largest schools in Texas.
- #53 of 54
- schools in Katy · Resource Index
- 0
- Resource Index · Lower
- 32.1:1
- large classes for Texas
- 23.3%
- free-lunch eligible
Robertson El has class sizes larger than 99% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Robertson El ranks #53 of 54 schools in Katy, TX.
School address
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
32.1:1
vs 14.7:1 Texas avg
+118% vs state
Free-lunch eligible
23.3%
vs 61.9% Texas avg
-62% vs state
Student-teacher ratio in context
How Robertson El compares with Texas and U.S. medians
What stands out at Robertson El
Robertson El is a large combined-grade school in Katy, Texas, enrolling 1,508 students.
Class loads run heavy: 32.1:1 is larger than about 99% of Texas schools and 118% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 23.3% free-meal eligibility runs 62% below the Texas average.
By headcount it is one of the larger campuses in Texas, bigger than 95% of state schools at 1,508 students.
Its Resource Investment Index trails 100% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 281 similarly sized, similarly resourced-need Texas schools statewide, it ranks #279, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (29%) and White (24%), more mixed than most schools in the state (diversity index 78/100).
Katy Isd also operates Seven Lakes H S (3,773 students) and Cinco Ranch H S (3,740 students) alongside Robertson 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 Robertson El compares
Robertson 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 | 32.1:1 | ▲ 118% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 23.3% | ▼ 62% | 61.9% | 51.7% |
| Enrollment | 1,508 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
32.1:1
Leaner classes than 1% of US schools, heavier class loads than most.
1,508
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
23.3%
free-lunch eligible
- 62% 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
32.1:1
students per teacher
- 118% above state mean
Top 99% in Texas - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Funding equity
$11,068
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.
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
African American 28.8%
White 23.6%
Hispanic or Latino 21.9%
Asian 16.5%
Two or More 8.4%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.3%
Largest group: African American at 28.8% of enrollment.
Student-body diversity index 77.9/100
Simpson diversity index - at 77.9, Robertson El is more mixed than the Texas school average of 44.7.
Funding & spending
District-wide per-pupil expenditure for Katy Isd, which includes Robertson El.
$11,068
Per student
-19%
vs Texas
Avg $13,644
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 54.4%
State 35.6%
Federal 10.0%
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 Robertson El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Seven Lakes H S | Larger | Similar economic need | Lower S:T ratio |
| Cinco Ranch H S | Larger | Similar economic need | Lower S:T ratio |
| Katy H S | Larger | Higher economic need | Lower S:T ratio |
| Paetow H S | Larger | Higher economic need | Lower S:T ratio |
| Taylor H S | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Robertson El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,773
- Students per teacher
- 18.1:1
- Resource Index
- 43/100
- Enrollment
- 3,740
- Students per teacher
- 17.8:1
- Resource Index
- 40/100
- Enrollment
- 3,543
- Students per teacher
- 17.3:1
- Resource Index
- 39/100
- Enrollment
- 3,447
- Students per teacher
- 16.4:1
- Resource Index
- 34/100
- Enrollment
- 3,384
- Students per teacher
- 17.9:1
- Resource Index
- 36/100
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 (~1,508 students)
Similar student-teacher ratio (~32.1:1)
Next steps
Verify locally before acting on Robertson El's federal record.
- Compare Robertson El against another school. Compare schools
- Katy 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 Robertson El
How many students attend Robertson El?
Robertson El has 1,508 students enrolled. It is a public school in Katy, TX.
What is the student-teacher ratio at Robertson El?
The student-teacher ratio at Robertson El is 32.1:1, which is 118% higher than the Texas average of 14.7:1 and 104% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Robertson El?
23.3% of students at Robertson El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Robertson El?
The largest demographic group at Robertson El is African American at 28.8% of enrollment, in Katy, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 77.9/100.
What is the Resource Investment Index for Robertson El?
Robertson El has a Resource Investment Index of 0/100 (lower reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Robertson El rank among schools in Katy?
By Resource Investment Index, Robertson El ranks #53 of 54 schools in Katy, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Katy on the city page.
Is Robertson El a good school?
Robertson El earns 0/100 on the Resource Investment Index, with class sizes larger than 99% of Texas schools. It is also one of the largest schools in Texas. 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 Katy Isd?
Besides Robertson El, Katy Isd also operates Seven Lakes H S (3,773 students), Cinco Ranch H S (3,740 students), and Katy H S (3,543 students). See the Katy 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.