Enrollment
689
Texas · 2024-25 NCES data
Other / mixed grade configuration · Austin, TX
Idea Bluff Springs College Preparatory
Federal NCES profile for Idea Bluff Springs College Preparatory, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataOther / mixed grade configurationNCES 480021113523Charter school
👥 S:T ratio 47
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 35
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Idea Bluff Springs College Preparatory earns 28/100 on the Resource Investment Index, with class sizes near the Texas median.
- #150 of 162
- schools in Austin · Resource Index
- 28
- Resource Index · Lower
- 13.3:1
- students per teacher
- 81.4%
- free-lunch eligible
Idea Bluff Springs College Preparatory has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Idea Bluff Springs College Preparatory ranks #150 of 162 schools in Austin, TX.
School address
District: Idea Public Schools · Texas
NCES ID 480021113523 Verify on NCES CCD record →
Teachers (FTE)
52.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 14.7:1 Texas avg
-10% vs state
Free-lunch eligible
81.4%
vs 61.9% Texas avg
+32% vs state
Student-teacher ratio in context
How Idea Bluff Springs College Preparatory compares with Texas and U.S. medians
What stands out at Idea Bluff Springs College Preparatory
Idea Bluff Springs College Preparatory is a high-poverty, mid-sized charter combined-grade school in Austin, Texas, enrolling 689 students.
Class sizes run a bit leaner than typical: 13.3:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 81.4% of students eligible for free meals.
Enrollment of 689 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index trails 94% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 2,149 similarly sized, similarly resourced-need Texas schools statewide, it ranks #1,852, 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 30/100).
Counselor access is stretched at roughly 689 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 26.1% 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 College Preparatory.
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 College Preparatory compares
Idea Bluff Springs College Preparatory on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.3:1 | ▼ 10% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 81.4% | ▲ 32% | 61.9% | 51.7% |
| Enrollment | 689 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
689
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
81.4%
free-lunch eligible
- 32% 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
13.3:1
students per teacher
- 10% below state mean
Top 38% in Texas - lower ratio than 62% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
26.1%
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
Counselors1.0 FTE
Per 689 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 5 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.7 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 83.2%
White 7.1%
African American 6.4%
Asian 1.9%
Two or More 1.0%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 83.2% of enrollment.
Student-body diversity index 29.8/100
Simpson diversity index - at 29.8, Idea Bluff Springs College Preparatory is less mixed than the Texas school average of 44.7.
Programs
AP courses offered 7
Funding & spending
District-wide per-pupil expenditure for Idea Public Schools, which includes Idea Bluff Springs College Preparatory.
$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 College Preparatory Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Idea College Preparatory Pharr | Similar size | Higher economic need | Higher S:T ratio |
| Idea Montopolis College Preparatory | Similar size | Similar economic need | Higher S:T ratio |
| Idea College Prep | Similar size | Higher economic need | Higher S:T ratio |
| Idea Mcallen College Preparatory | Similar size | Similar economic need | Higher S:T ratio |
| Idea Riverview College Preparatory | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Idea Bluff Springs College Preparatory'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 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 (~689 students)
Similar student-teacher ratio (~13.3:1)
Next steps
Verify locally before acting on Idea Bluff Springs College Preparatory's federal record.
- Compare Idea Bluff Springs College Preparatory 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 College Preparatory
How many students attend Idea Bluff Springs College Preparatory?
Idea Bluff Springs College Preparatory has 689 students enrolled. It is a public school in Austin, TX.
What is the student-teacher ratio at Idea Bluff Springs College Preparatory?
The student-teacher ratio at Idea Bluff Springs College Preparatory is 13.3:1, which is 10% lower than the Texas average of 14.7:1 and 15% 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 Idea Bluff Springs College Preparatory?
81.4% of students at Idea Bluff Springs College Preparatory are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Idea Bluff Springs College Preparatory?
The largest demographic group at Idea Bluff Springs College Preparatory is Hispanic or Latino at 83.2% of enrollment, in Austin, TX.
What is the Resource Investment Index for Idea Bluff Springs College Preparatory?
Idea Bluff Springs College Preparatory has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Idea Bluff Springs College Preparatory rank among schools in Austin?
By Resource Investment Index, Idea Bluff Springs College Preparatory ranks #150 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.
Is Idea Bluff Springs College Preparatory a good school?
Idea Bluff Springs College Preparatory earns 28/100 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 Idea Public Schools?
Besides Idea Bluff Springs College Preparatory, 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.