Enrollment
646
Texas · 2024-25 NCES data
Other / mixed grade configuration · Houston, TX
Sst Advancement
Federal NCES profile for Sst Advancement, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
2024-25 NCES dataOther / mixed grade configurationNCES 480140013427Charter school
👥 S:T ratio 49
🌟 Gifted program 70
📋 Attendance 61
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sst Advancement earns 60/100 on the Resource Investment Index, with class sizes near the Texas median.
- #12 of 435
- schools in Houston · Resource Index
- 60
- Resource Index · Higher
- 12.7:1
- students per teacher
- 79.5%
- free-lunch eligible
Sst Advancement has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Sst Advancement ranks #12 of 435 schools in Houston, TX.
School address
District: School of Science and Technology Discovery · Texas
NCES ID 480140013427 Verify on NCES CCD record →
Teachers (FTE)
51.0
Federal CCD staff survey
Students per teacher
12.7:1
vs 14.7:1 Texas avg
-14% vs state
Free-lunch eligible
79.5%
vs 61.9% Texas avg
+28% vs state
Student-teacher ratio in context
How Sst Advancement compares with Texas and U.S. medians
What stands out at Sst Advancement
Sst Advancement is a high-poverty, mid-sized charter combined-grade school in Houston, Texas, enrolling 646 students.
Class sizes run a bit leaner than typical: 12.7:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 79.5% of students eligible for free meals.
Enrollment of 646 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index outscores 92% of the 8,960 Texas schools with a score on record, a top-tier result on this measure.
Among 2,205 similarly sized, similarly resourced-need Texas schools statewide, it ranks #11, a top-tier result once campus size and economic need are matched.
Its student body is led by African American (56%) and Hispanic or Latino (32%) (diversity index 58/100).
15.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding School of Science and Technology Discovery spends $10,485 per pupil, 23% below the Texas average, a leaner-resourced district than most.
School of Science and Technology Discovery also operates Sst Corpus Christi (2,343 students) and Sst Sugarland (739 students) alongside Sst Advancement.
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 Sst Advancement compares
Sst Advancement on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.7:1 | ▼ 14% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 79.5% | ▲ 28% | 61.9% | 51.7% |
| Enrollment | 646 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.7:1
Leaner classes than 69% of US schools, among the more generously staffed nationally.
646
Bigger than 76% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
79.5%
free-lunch eligible
- 28% 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
12.7:1
students per teacher
- 14% below state mean
Top 31% in Texas - lower ratio than 69% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.8%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$10,485
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
27
in-school suspensions + 43 out-of-school
Suspension rate: 4.2 per 100 students. Combined in-school and out-of-school rate: 10.8 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
African American 55.9%
Hispanic or Latino 31.9%
White 5.0%
Asian 4.8%
Two or More 2.3%
American Indian / Alaska Native 0.2%
Largest group: African American at 55.9% of enrollment.
Student-body diversity index 58.0/100
Simpson diversity index - at 58.0, Sst Advancement is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for School of Science and Technology Discovery, which includes Sst Advancement.
$10,485
Per student
-23%
vs Texas
Avg $13,644
-37%
vs U.S.
Avg $16,593
Revenue mix
Local 2.3%
State 84.3%
Federal 13.5%
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 Sst Advancement Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sst Corpus Christi | Larger | Lower economic need | Similar S:T ratio |
| Sst Sugarland | Similar size | Similar economic need | Higher S:T ratio |
| Sst Hill Country | Similar size | Lower economic need | Similar S:T ratio |
| Sst Northwest | Similar size | Lower economic need | Similar S:T ratio |
| Sst Discovery | Similar size | Lower economic need | Lower S:T ratio |
Comparisons are relative to Sst Advancement's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,343
- Students per teacher
- 14.1:1
- Resource Index
- 51/100
- Enrollment
- 739
- Students per teacher
- 14.2:1
- Resource Index
- 60/100
- Enrollment
- 675
- Students per teacher
- 11.8:1
- Resource Index
- 61/100
- Enrollment
- 661
- Students per teacher
- 13.2:1
- Resource Index
- 61/100
- Enrollment
- 508
- Students per teacher
- 11:1
- Resource Index
- 45/100
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 (~646 students)
Similar student-teacher ratio (~12.7:1)
Next steps
Verify locally before acting on Sst Advancement's federal record.
- Compare Sst Advancement against another school. Compare schools
- School of Science and Technology Discovery'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 Sst Advancement
How many students attend Sst Advancement?
Sst Advancement has 646 students enrolled. It is a public school in Houston, TX.
What is the student-teacher ratio at Sst Advancement?
The student-teacher ratio at Sst Advancement is 12.7:1, which is 14% lower than the Texas average of 14.7:1 and 19% 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 Sst Advancement?
79.5% of students at Sst Advancement are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Sst Advancement?
The largest demographic group at Sst Advancement is African American at 55.9% of enrollment, in Houston, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.0/100.
What is the Resource Investment Index for Sst Advancement?
Sst Advancement has a Resource Investment Index of 60/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sst Advancement rank among schools in Houston?
By Resource Investment Index, Sst Advancement ranks #12 of 435 schools in Houston, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Houston on the city page.
Is Sst Advancement a good school?
Sst Advancement earns 60/100 on the Resource Investment Index, with class sizes near the Texas median. 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 School of Science and Technology Discovery?
Besides Sst Advancement, School of Science and Technology Discovery also operates Sst Corpus Christi (2,343 students), Sst Sugarland (739 students), and Sst Hill Country (675 students). See the School of Science and Technology Discovery 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.