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SCHOOL COMMUNITY·IDEA PUBLIC SCHOOLS·NCES 480021113148

IDEA Walzem College Preparatory

6445 WALZEM RD, SAN ANTONIO, TX 78239 · (210) 239-4600 · Bexar County
GRADES 06–12HIGH21-SUBURBCHARTERTITLE IREGULAR SCHOOL724 STUDENTS
B-
allk12 Grade
Scored higher than 54% of Texas public high schools
  • B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • DThree-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Texas public high schools

Enrollment
724
High
DISTRICT 676 · STATE 796
Student : Teacher
16.8:1
43 FTE teachers
DISTRICT 16.1:1 · STATE 15.1:1
Free / Reduced Lunch
77%
558 students
DISTRICT 83% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 611015%
Grade 712017%
Grade 811816%
Grade 910414%
Grade 108412%
Grade 119914%
Grade 128912%
Student demographics
48%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 27% · STATE 63% · US 70%
White
324%
DISTRICT 5% · STATE 24% · US 43%
Hispanic
49869%
DISTRICT 85% · STATE 54% · US 30%
Black
16022%
DISTRICT 8% · STATE 13% · US 15%
Asian
172%
DISTRICT 1% · STATE 6% · US 6%
Two+
122%
DISTRICT 1% · STATE 3% · US 5%
Pacific Islander
51%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
38453%
Female
34047%

Discussions

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Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
54.0%
TX avg 54.5% . +31.0pp since 2020
Mathematics
38.0%
TX avg 45.3% . +27.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 54 of every 100 students at this school read at grade level and about 38 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 31 points since 2020, while math scores are up about 27 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading22.0%32.0%24.0%22.0%
Mathematics11.0%27.0%37.0%25.0%
Share of tested students at each STAAR level. Each student counts in one level, so a row adds to about 100%.

STAAR results by year

School yearReadingMathematics
2025-2654.0%38.0%
2024-2560.0%37.0%
2023-2461.0%42.0%
2022-2352.0%39.0%
2021-2243.0%39.0%
2020-2123.0%11.0%
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
54.6%
composite math + reading, all grades
Predicted
40.8%
based on TX schools with similar FRL share
Beats by
+13.8pp
above demographic expectation

What this means: About 55% of students here test proficient in math and reading, compared with the roughly 41% typical for Texas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Texas's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like IDEA Walzem College Preparatory

IDEA Walzem College Preparatory's state test result (54.6% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
IDEA Walzem College Preparatory this school72477.1%54.6%
Harmony School of Ingenuity-Houston
HOUSTON
72777.4%43.4%
Wharton High School
WHARTON
56673.3%30.9%
Hempstead High School
HEMPSTEAD
46272.5%29.6%
IDEA Judson College Preparatory
SAN ANTONIO
74775.0%55.0%
Judge Barefoot Sanders Law Magnet
DALLAS
49478.9%91.5%
Matched among Texas high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where IDEA Walzem College Preparatory ranks

Among high schools
MeasureThis schoolIn TexasIn Bexar County
State test proficiency
ranked highest first
54.6%#667 of 1,385#34 of 81
Math proficiency
ranked highest first
38.0%#870 of 1,425
▼ 93
#34 of 82
no change
Reading proficiency
ranked highest first
54.0%#820 of 1,425
▼ 253
#44 of 82
▼ 11
3-year test score change
ranked biggest gain first
+0.5pp#1,056 of 1,184#61 of 75
Enrollment
ranked largest first
724#735 of 2,107#48 of 128
Students per teacher
ranked fewest first
16.8:1#1,039 of 1,344#55 of 78
Diversity index
ranked most diverse first
47.5%#761 of 1,346#33 of 79
Free and reduced lunch
ranked highest share first
77.1%#451 of 1,522#35 of 90
Enrollment change since 2017-18
ranked fastest growth first
+65.3%#49 of 672#4 of 32
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
724
-4 (-1%) vs 2020
Student : Teacher
16.8:1
was 18.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2572443.116.8:177% (558)
2023-2474843.917.0:177% (577)
2022-237344317.1:182% (603)
2020-217284018.2:180% (583)
2017-1843826.116.8:176% (332)
2015-162261022.6:183% (188)
Source: NCES Common Core of Data. Rows are the federal collections on file for IDEA Walzem College Preparatory.

Since 2017-18: students up 65% (438 to 724); teachers up 65% (26.1 to 43.1).

About IDEA Walzem College Preparatory

IDEA Walzem College Preparatory is a high school with a street address in SAN ANTONIO, Texas. Enrollment stands at 724 students, covering grades 6 through 12.

IDEA Walzem College Preparatory is part of a district of 125 schools: IDEA PUBLIC SCHOOLS, with 79,430 students.

The share of Hispanic students at IDEA Walzem College Preparatory is 69%, a majority. It is also 22% Black, 4% White, and 2% Asian. For comparison, the population of Bexar County is roughly 60% Hispanic. On a 0 to 100 scale, the school's diversity index is 48, compared with 70 nationally.

IDEA Walzem College Preparatory reported 43.1 full-time-equivalent teachers in 2024-25, a ratio of 16.8:1. High schools in Texas have an average ratio of 15.1:1. Roughly 77% of students at IDEA Walzem College Preparatory can receive free or reduced-price lunch. That rate is above the 63% average among public schools in Bexar County.

Among Texas public high schools, IDEA Walzem College Preparatory outscored 54%, which works out to a B- on the allk12 Grade.

IDEA Walzem College Preparatory sits between the top and bottom 10% of Texas schools on BeatsExpectations, with an actual average proficiency rate across its state test results of 54.6% and a predicted 40.8%.

Five-year Census Bureau estimates for Bexar County show that median household income comes to about $72,341, a bachelor's degree or higher is held by about 32% of adults, and the poverty rate is about 11%. The county's public schools total 638, with about 368,487 students.

Of the public schools around it, IDEA Walzem College Preparatory is closest to IDEA Walzem Academy, less than a tenth of a mile away. The count of other public schools within five miles is at least 8. The average proficiency across nearby scored schools is 33.2%; IDEA Walzem College Preparatory's is 54.6%, ranking 1st of 8.

The federal government classifies IDEA Walzem College Preparatory's location as Suburb: Large. IDEA Walzem College Preparatory is a charter school, a type of public school that operates under a charter.

Enrollment in 2024-25 was 724, close to the 728 recorded in 2020-21. Students per teacher dropped from 18.2 in 2020-21 to 16.8 in 2024-25.

People who know IDEA Walzem College Preparatory can post here about special education services, counseling, and support programs. Parents, students, alumni, and staff are welcome to post.

Bexar County at a glance

View full county profile
Population
2,067,341
Census ACS
Median income
$72,341
Household, ACS
Bachelor's+
32%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
638
368,487 students

Quick facts

School name
IDEA Walzem College Preparatory
District
IDEA PUBLIC SCHOOLS
Address
6445 WALZEM RD, SAN ANTONIO, TX 78239
Phone
(210) 239-4600
County
Bexar County
Level
High
Grade range
06–12
Total enrollment
724
Teachers (FTE)
43
Student–teacher ratio
16.8:1
Free and reduced lunch
558 (77%)
Locale
21-Suburb: Large
NCES ID
480021113148
Charter school
Yes
Virtual school
No

Related schools

Other schools in IDEA PUBLIC SCHOOLS
Other schools in SAN ANTONIO
Nearby schools

Frequently asked questions

About IDEA Walzem College Preparatory
What is the total enrollment at IDEA Walzem College Preparatory?
IDEA Walzem College Preparatory enrolls approximately 724 students in grades 06-12.
What grades does IDEA Walzem College Preparatory serve?
IDEA Walzem College Preparatory serves grades 06-12.
How many students per teacher at IDEA Walzem College Preparatory?
Approximately 16.8:1 students per teacher at IDEA Walzem College Preparatory.
How diverse is IDEA Walzem College Preparatory?
IDEA Walzem College Preparatory reports a student body of 4% White, 69% Hispanic, 22% Black, 2% Asian, 2% Two or more.
Who oversees IDEA Walzem College Preparatory?
IDEA Walzem College Preparatory is overseen by IDEA PUBLIC SCHOOLS in Bexar County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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