Enrollment
694
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
Mark Twain Dual Language Academy
Federal NCES profile for Mark Twain Dual Language Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataOther / mixed grade configurationNCES 483873013563Charter school
👥 S:T ratio 21
🌟 Gifted program 70
🎓 Counselors 31
📋 Attendance 68
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mark Twain Dual Language Academy earns 47/100 on the Resource Investment Index, with class sizes larger than 92% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
- #69 of 327
- schools in San Antonio · Resource Index
- 47
- Resource Index · Typical
- 19.8:1
- large classes for Texas
- 53.6%
- free-lunch eligible
Mark Twain Dual Language Academy has class sizes larger than 92% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Mark Twain Dual Language Academy ranks #69 of 327 schools in San Antonio, TX.
School address
District: San Antonio Isd · Texas
NCES ID 483873013563 Verify on NCES CCD record →
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
19.8:1
vs 14.7:1 Texas avg
+35% vs state
Free-lunch eligible
53.6%
vs 61.9% Texas avg
-13% vs state
Student-teacher ratio in context
How Mark Twain Dual Language Academy compares with Texas and U.S. medians
What stands out at Mark Twain Dual Language Academy
Mark Twain Dual Language Academy is a higher-need, mid-sized charter combined-grade school in San Antonio, Texas, enrolling 694 students.
Class loads run heavy: 19.8:1 is larger than about 92% of Texas schools and 35% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 53.6% of students eligible for free meals.
Enrollment of 694 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 1,404 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #301.
Its student body is predominantly Hispanic or Latino (92% of enrollment), among the less diverse in the state (diversity index 16/100).
Counselor availability sits well past the ASCA benchmark, roughly 347 students sharing each counselor, though short of the most stretched campuses.
12.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Its district draws 27.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
San Antonio Isd also operates Jefferson H S (1,706 students) and Lanier H S (1,620 students) alongside Mark Twain Dual Language Academy.
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 Mark Twain Dual Language Academy compares
Mark Twain Dual Language Academy on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.8:1 | ▲ 35% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 53.6% | ▼ 13% | 61.9% | 51.7% |
| Enrollment | 694 | top 27% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.8:1
Leaner classes than 17% of US schools, heavier class loads than most.
694
Bigger than 80% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
53.6%
free-lunch eligible
- 13% below the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.8:1
students per teacher
- 35% above state mean
Top 92% in Texas - lower ratio than 8% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
12.8%
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
$13,912
per pupil, district-wide
- above Texas avg of $13,644
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 347 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 6 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 1.4 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
Hispanic or Latino 91.6%
White 5.8%
Two or More 1.4%
African American 0.7%
Asian 0.4%
Largest group: Hispanic or Latino at 91.6% of enrollment.
Student-body diversity index 15.7/100
Simpson diversity index - at 15.7, Mark Twain Dual Language Academy is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for San Antonio Isd, which includes Mark Twain Dual Language Academy.
$13,912
Per student
+2%
vs Texas
Avg $13,644
-16%
vs U.S.
Avg $16,593
Revenue mix
Local 42.8%
State 30.1%
Federal 27.0%
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 Mark Twain Dual Language Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jefferson H S | Larger | Higher economic need | Lower S:T ratio |
| Lanier H S | Larger | Higher economic need | Lower S:T ratio |
| Brackenridge H S | Larger | Higher economic need | Lower S:T ratio |
| Highlands H S | Larger | Higher economic need | Lower S:T ratio |
| Burbank H S | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Mark Twain Dual Language Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,706
- Students per teacher
- 14.6:1
- Resource Index
- 48/100
- Enrollment
- 1,620
- Students per teacher
- 16.9:1
- Resource Index
- 46/100
- Enrollment
- 1,593
- Students per teacher
- 15.6:1
- Resource Index
- 36/100
- Enrollment
- 1,478
- Students per teacher
- 13.6:1
- Resource Index
- 52/100
- Enrollment
- 1,405
- Students per teacher
- 15.4:1
- Resource Index
- 35/100
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 (~694 students)
Similar student-teacher ratio (~19.8:1)
Next steps
Verify locally before acting on Mark Twain Dual Language Academy's federal record.
- Compare Mark Twain Dual Language Academy against another school. Compare schools
- San Antonio 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 Mark Twain Dual Language Academy
How many students attend Mark Twain Dual Language Academy?
Mark Twain Dual Language Academy has 694 students enrolled. It is a public school in San Antonio, TX.
What is the student-teacher ratio at Mark Twain Dual Language Academy?
The student-teacher ratio at Mark Twain Dual Language Academy is 19.8:1, which is 35% higher than the Texas average of 14.7:1 and 26% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mark Twain Dual Language Academy?
53.6% of students at Mark Twain Dual Language Academy are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Mark Twain Dual Language Academy?
The largest demographic group at Mark Twain Dual Language Academy is Hispanic or Latino at 91.6% of enrollment, in San Antonio, TX.
What is the Resource Investment Index for Mark Twain Dual Language Academy?
Mark Twain Dual Language Academy has a Resource Investment Index of 47/100 (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 Mark Twain Dual Language Academy rank among schools in San Antonio?
By Resource Investment Index, Mark Twain Dual Language Academy ranks #69 of 327 schools in San Antonio, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in San Antonio on the city page.
Is Mark Twain Dual Language Academy a good school?
Mark Twain Dual Language Academy earns 47/100 on the Resource Investment Index, with class sizes larger than 92% of Texas schools. It is also less 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 San Antonio Isd?
Besides Mark Twain Dual Language Academy, San Antonio Isd also operates Jefferson H S (1,706 students), Lanier H S (1,620 students), and Brackenridge H S (1,593 students). See the San Antonio 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.