Enrollment
521
Texas · 2024-25 NCES data
Elementary school (grades K-5) · Austin, TX
Idea Bluff Springs Academy
Federal NCES profile for Idea Bluff Springs Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataElementary school (grades K-5)NCES 480021113510Charter school
👥 S:T ratio 35
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Idea Bluff Springs Academy earns 22/100 on the Resource Investment Index, with class sizes larger than 74% of Texas schools.
- #30 of 32
- elementary schools in Austin · Resource Index
- 22
- Resource Index · Lower
- 16.3:1
- large classes for Texas
- 79.8%
- free-lunch eligible
Idea Bluff Springs Academy has class sizes larger than 74% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Idea Bluff Springs Academy ranks #30 of 32 elementary schools in Austin, TX.
School address
District: Idea Public Schools · Texas
NCES ID 480021113510 Verify on NCES CCD record →
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
16.3:1
vs 14.7:1 Texas avg
+11% vs state
Free-lunch eligible
79.8%
vs 61.9% Texas avg
+29% vs state
Student-teacher ratio in context
How Idea Bluff Springs Academy compares with Texas and U.S. medians
What stands out at Idea Bluff Springs Academy
Idea Bluff Springs Academy is a high-poverty, mid-sized charter elementary school in Austin, Texas, enrolling 521 students.
Class loads run somewhat heavier than typical: 16.3:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 79.8% of students eligible for free meals.
With 521 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index trails 97% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 2,233 similarly sized, similarly resourced-need Texas schools statewide, it ranks #2,125, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (83% of enrollment) (diversity index 31/100).
Chronic absenteeism is elevated: 48.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 20.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Idea Public Schools also operates Idea College Preparatory Pharr (848 students) and Idea Montopolis College Preparatory (835 students) alongside Idea Bluff Springs 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 Idea Bluff Springs Academy compares
Idea Bluff Springs 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 | 16.3:1 | ▲ 11% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 79.8% | ▲ 29% | 61.9% | 51.7% |
| Enrollment | 521 | top 47% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.3:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
521
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
79.8%
free-lunch eligible
- 29% 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
16.3:1
students per teacher
- 11% above state mean
Top 74% in Texas - lower ratio than 26% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
48.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,912
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
3
in-school suspensions + 3 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 1.2 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 82.7%
African American 8.6%
White 6.1%
Asian 1.7%
Two or More 0.8%
Largest group: Hispanic or Latino at 82.7% of enrollment.
Student-body diversity index 30.5/100
Simpson diversity index - at 30.5, Idea Bluff Springs Academy is less mixed than the Texas school average of 44.7.
Programs
Funding & spending
District-wide per-pupil expenditure for Idea Public Schools, which includes Idea Bluff Springs Academy.
$11,912
Per student
-13%
vs Texas
Avg $13,644
-28%
vs U.S.
Avg $16,593
Revenue mix
Local 2.8%
State 76.8%
Federal 20.4%
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 Idea Bluff Springs Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Idea College Preparatory Pharr | Larger | Higher economic need | Similar S:T ratio |
| Idea Montopolis College Preparatory | Larger | Similar economic need | Higher S:T ratio |
| Idea College Prep | Larger | Higher economic need | Similar S:T ratio |
| Idea Mcallen College Preparatory | Larger | Similar economic need | Higher S:T ratio |
| Idea Riverview College Preparatory | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Idea Bluff Springs Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 848
- Students per teacher
- 17.7:1
- Resource Index
- 32/100
- Enrollment
- 835
- Students per teacher
- 19.4:1
- Resource Index
- 26/100
- Enrollment
- 823
- Students per teacher
- 15.5:1
- Resource Index
- 25/100
- Enrollment
- 820
- Students per teacher
- 17.8:1
- Resource Index
- 33/100
- Enrollment
- 813
- Students per teacher
- 15.6:1
- Resource Index
- 29/100
Similar elementary 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 (~521 students)
Similar student-teacher ratio (~16.3:1)
Next steps
Verify locally before acting on Idea Bluff Springs Academy's federal record.
- Compare Idea Bluff Springs Academy against another school. Compare schools
- Idea Public Schools'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 Idea Bluff Springs Academy
How many students attend Idea Bluff Springs Academy?
Idea Bluff Springs Academy has 521 students enrolled. It is an elementary school in Austin, TX.
What is the student-teacher ratio at Idea Bluff Springs Academy?
The student-teacher ratio at Idea Bluff Springs Academy is 16.3:1, which is 11% higher than the Texas average of 14.7:1 and 4% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Idea Bluff Springs Academy?
79.8% of students at Idea Bluff Springs Academy are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Idea Bluff Springs Academy?
The largest demographic group at Idea Bluff Springs Academy is Hispanic or Latino at 82.7% of enrollment, in Austin, TX.
What is the Resource Investment Index for Idea Bluff Springs Academy?
Idea Bluff Springs Academy has a Resource Investment Index of 22/100 (lower 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 Idea Bluff Springs Academy rank among elementary schools in Austin?
By Resource Investment Index, Idea Bluff Springs Academy ranks #30 of 32 elementary 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 elementary schools in Austin on the city page.
Is Idea Bluff Springs Academy a good school?
Idea Bluff Springs Academy earns 22/100 on the Resource Investment Index, with class sizes larger than 74% of 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 Idea Public Schools?
Besides Idea Bluff Springs Academy, Idea Public Schools also operates Idea College Preparatory Pharr (848 students), Idea Montopolis College Preparatory (835 students), and Idea College Prep (823 students). See the Idea Public Schools 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.