Beta You're viewing our redesigned school page. Prefer the classic layout?

Idea Walzem College Preparatory

Public, Charter Grades 6-12
1000th
SchoolDigger Rank ?
of 2,009 Texas High Schools
Better than 50% of Texas high schools
Summary

Idea Walzem College Preparatory is a public charter school in San Antonio, TX, serving 724 students in grades 6-12 as part of the Idea Public Schools network, where about 77% of students qualify for free or reduced lunch. The school has shown consistent improvement from a pandemic-era dip and now holds a solid 3-star rating, ranking in the 50th percentile statewide. While this places it in the middle of the pack, it faces stiff competition from nearby high-performing schools like Robert G Cole Middle/High School (97th percentile) and Judson Early College Academy (93rd percentile), which outperform it in nearly every academic metric. However, Idea Walzem significantly outperforms larger traditional high schools in the area, such as Karen Wagner High School and Judson High School, which rank in the bottom 20-40th percentile.

A key strength is the school's exceptional performance in Biology, with 78.4% of students proficient—well above the state average—and strong support for English Language Learners, who ranked in the 81st percentile statewide. However, a critical weakness is Algebra I, where only 34.8% of students are proficient, far below the state average of 54%. This math struggle is a major barrier to college readiness, especially for a school with "College Preparatory" in its name. Additionally, the graduation rate has declined from 89.6% to 82.6% over the past two years, while the dropout rate has risen, suggesting that students struggling in math may be disengaging before graduation.

Despite these challenges, Idea Walzem provides a much more stable and effective environment than alternative schools in the area, like Judson Learning Academy or Premier High School-San Antonio Windcrest, which have extremely low test scores and high dropout rates. The school also spends slightly below the state average per student, achieving moderate results with a modest budget. To fully live up to its college-prep mission, the school must urgently address its math curriculum and find ways to keep at-risk students engaged through to graduation.

724
Students ?
16.8
Student/teacher ratio ?
$10,791
Per pupil spending ?
77.1%
Free/discounted lunch ?
 6445 Walzem Rd
       San Antonio, TX  78239

(210) 239-4600

District: Idea Public Schools

Racial breakdown:

Hispanic:
68.8%
African American:
22.1%
White:
4.4%
more
 See top rated Texas high schools

 Compare Idea Walzem College Preparatory to nearby high schools!
At a glance
Ranking trend: Recently slipping — 63rd percentile in 2023 → 50th in 2026
Strengths
Above the Texas median (50th percentile)
Worth a look
!Ranking has slipped from its 63rd-percentile peak (2023) to 50th (2026)
!Some student groups rank well below the school's overall statewide standing
!Algebra I scores 19 pts below the Texas average
Students meeting standards (2025-2026) ?
This school51%
District avg49%
Texas avg53%
Middle school
923rd of 2,335
Texas public middle schools ?
Top 40%▲ up 25 pts since 2017
From bottom 36% (2017) to top 40% (2026)
See the entire ranking list of Texas Middle Schools →
SchoolDigger rating ?
High school
1,000th of 2,009
Texas public high schools ?
Top 50%▲ up 32 pts since 2021
From bottom 18% (2021) to top 50% (2026)
See the entire ranking list of Texas High Schools →
SchoolDigger rating ?
20th of 39High Schools in the Idea Public Schools
546th of 951Idea Public Schools among Texas districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Middle school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankTexas percentileRating
202653.7923 of 233560.5%★★★☆☆
202562.9721 of 234469.2%★★★☆☆
202467.4608 of 237274.4%★★★★☆
202364.7659 of 233071.7%★★★★☆
202263.3648 of 225471.3%★★★★☆
202128.31644 of 225227.0%★☆☆☆☆
201937.81362 of 219337.9%★★☆☆☆
201838.31289 of 208038.0%★★☆☆☆
201735.81304 of 202735.7%★★☆☆☆

African American

YearAvg scoreStatewide rankTexas percentileRating
202641.8700 of 129545.9%★★☆☆☆
202554.9361 of 99763.8%★★★☆☆
202461.7359 of 128072.0%★★★★☆
202372.5247 of 127380.6%★★★★☆
202143.7608 of 121349.9%★★★☆☆
201952.2462 of 119361.3%★★★☆☆
201854.3433 of 116762.9%★★★☆☆

At Risk

YearAvg scoreStatewide rankTexas percentileRating
202280.5197 of 218291.0%★★★★★
202148.3920 of 211856.6%★★★☆☆
201961.8505 of 205875.5%★★★★☆
201850.3787 of 200860.8%★★★☆☆

English Language Learner

YearAvg scoreStatewide rankTexas percentileRating
202568.1290 of 142879.7%★★★★☆
202468.6355 of 177079.9%★★★★☆
202386.8116 of 172093.3%★★★★★
202280.2158 of 164390.4%★★★★★
202150.8585 of 159263.3%★★★☆☆
201972.7210 of 144585.5%★★★★☆
201855.7385 of 137672.0%★★★★☆

Female

YearAvg scoreStatewide rankTexas percentileRating
202656.7817 of 224063.5%★★★☆☆
202561.1569 of 182568.8%★★★☆☆
202466.9557 of 224275.2%★★★★☆
202358.3809 of 224163.9%★★★☆☆
202257.5790 of 222164.4%★★★☆☆
202133.31470 of 215131.7%★★☆☆☆
201935.01398 of 204731.7%★★☆☆☆
201837.41296 of 200835.5%★★☆☆☆

Hispanic

YearAvg scoreStatewide rankTexas percentileRating
202665.0532 of 214175.2%★★★★☆
202575.1248 of 173185.7%★★★★☆
202478.4253 of 211988.1%★★★★☆
202371.7382 of 211681.9%★★★★☆
202273.6341 of 207783.6%★★★★☆
202135.21343 of 204334.3%★★☆☆☆
201948.1926 of 193552.1%★★★☆☆
201845.7952 of 189549.8%★★☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankTexas percentileRating
202659.9691 of 225369.3%★★★☆☆
202573.7272 of 182085.1%★★★★☆
202473.9320 of 223585.7%★★★★☆
202373.4356 of 225184.2%★★★★☆
202274.2316 of 222085.8%★★★★☆
202134.41494 of 217231.2%★★☆☆☆
201951.2895 of 207356.8%★★★☆☆
201854.7755 of 203963.0%★★★☆☆

Male

YearAvg scoreStatewide rankTexas percentileRating
202651.6959 of 225357.4%★★★☆☆
202567.0439 of 181875.9%★★★★☆
202468.2525 of 224676.6%★★★★☆
202369.5526 of 224576.6%★★★★☆
202266.6558 of 222875.0%★★★★☆
202124.71714 of 216820.9%★☆☆☆☆
201940.41201 of 206942.0%★★☆☆☆
201837.41270 of 203037.4%★★☆☆☆

Special Education

YearAvg scoreStatewide rankTexas percentileRating
202657.6543 of 195672.2%★★★★☆
202558.5447 of 156871.5%★★★★☆
202447.6904 of 189152.2%★★★☆☆
202356.6503 of 181572.3%★★★★☆
202248.1707 of 175759.8%★★★☆☆
201949.3611 of 162662.4%★★★☆☆
201850.2557 of 159765.1%★★★☆☆

White

YearAvg scoreStatewide rankTexas percentileRating
202377.0286 of 174983.6%★★★★☆
201912.11611 of 16844.3%☆☆☆☆☆
201821.11464 of 167312.5%★☆☆☆☆
High school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankTexas percentileRating
202647.91000 of 200950.2%★★★☆☆
202549.0932 of 197452.8%★★★☆☆
202456.8763 of 199061.7%★★★☆☆
202357.7723 of 196163.1%★★★☆☆
202256.3700 of 187662.7%★★★☆☆
202120.01525 of 186118.1%★☆☆☆☆

African American

YearAvg scoreStatewide rankTexas percentileRating
202647.5489 of 108655.0%★★★☆☆
202544.4383 of 83454.1%★★★☆☆
202452.1391 of 106563.3%★★★☆☆
202364.8264 of 106975.3%★★★★☆
202125.7767 of 102024.8%★☆☆☆☆
201977.4157 of 102484.7%★★★★☆
201850.6414 of 101359.1%★★★☆☆

Asian

YearAvg scoreStatewide rankTexas percentileRating
202468.4136 of 53074.3%★★★★☆
202365.2181 of 52565.5%★★★☆☆
20217.6459 of 4885.9%☆☆☆☆☆

At Risk

YearAvg scoreStatewide rankTexas percentileRating
202248.5724 of 183760.6%★★★☆☆
202127.31384 of 182924.3%★☆☆☆☆
201973.2251 of 181086.1%★★★★☆
201852.6603 of 178466.2%★★★☆☆

English Language Learner

YearAvg scoreStatewide rankTexas percentileRating
202564.4218 of 115381.1%★★★★☆
202457.6364 of 143774.7%★★★★☆
202367.3249 of 137181.8%★★★★☆
202254.4364 of 127871.5%★★★★☆
202131.6840 of 119529.7%★☆☆☆☆
201987.874 of 113693.5%★★★★★
201853.0326 of 111370.7%★★★★☆

Female

YearAvg scoreStatewide rankTexas percentileRating
202644.21067 of 193644.9%★★☆☆☆
202544.3795 of 150447.1%★★☆☆☆
202451.1839 of 188055.4%★★★☆☆
202355.0778 of 189158.9%★★★☆☆
202255.7721 of 184160.8%★★★☆☆
202118.21520 of 181516.3%★☆☆☆☆
201957.8698 of 179861.2%★★★☆☆
201842.11049 of 178141.1%★★☆☆☆

Hispanic

YearAvg scoreStatewide rankTexas percentileRating
202655.4689 of 186063.0%★★★☆☆
202555.2487 of 145366.5%★★★☆☆
202458.7527 of 180570.8%★★★★☆
202362.6498 of 182072.6%★★★★☆
202261.2479 of 176272.8%★★★★☆
202122.11408 of 174319.2%★☆☆☆☆
201962.3470 of 171472.6%★★★★☆
201848.9764 of 169154.8%★★★☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankTexas percentileRating
202650.4807 of 193758.3%★★★☆☆
202550.4555 of 151363.3%★★★☆☆
202459.0518 of 188472.5%★★★★☆
202366.0402 of 189778.8%★★★★☆
202264.3396 of 184778.6%★★★★☆
202123.51482 of 184819.8%★☆☆☆☆
201971.9270 of 181885.1%★★★★☆
201850.1758 of 179457.7%★★★☆☆

Male

YearAvg scoreStatewide rankTexas percentileRating
202648.1932 of 195452.3%★★★☆☆
202544.5742 of 151551.0%★★★☆☆
202454.1696 of 189163.2%★★★☆☆
202357.7665 of 191365.2%★★★☆☆
202253.7723 of 185361.0%★★★☆☆
202118.71526 of 184017.1%★☆☆☆☆
201963.9496 of 182472.8%★★★★☆
201846.7890 of 180350.6%★★★☆☆

Multi-racial

YearAvg scoreStatewide rankTexas percentileRating
202490.229 of 73196.0%★★★★★
202113.8535 of 5889.0%☆☆☆☆☆

Special Education

YearAvg scoreStatewide rankTexas percentileRating
202635.81009 of 158136.2%★★☆☆☆
202525.31066 of 129917.9%★☆☆☆☆
202436.4994 of 154835.8%★★☆☆☆
202359.2400 of 147872.9%★★★★☆
202273.0184 of 141887.0%★★★★☆
202119.81259 of 13828.9%☆☆☆☆☆
201956.4398 of 135770.7%★★★★☆
201887.881 of 134794.0%★★★★★

White

YearAvg scoreStatewide rankTexas percentileRating
202520.61073 of 129417.1%★☆☆☆☆
202447.1793 of 155649.0%★★☆☆☆
202342.4941 of 157640.3%★★☆☆☆
202114.61335 of 151011.6%★☆☆☆☆
201951.5711 of 152653.4%★★★☆☆
201846.9825 of 153946.4%★★☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Middle school
At Risk (2022)91st percentile+20 vs school
White (2023)84th percentile+12 vs school
English Language Learner (2025)80th percentile+10 vs school
Hispanic (2026)75th percentile+15 vs school
Special Education (2026)72nd percentile+12 vs school
Low Socio Economic Status (2026)69th percentile+9 vs school
Female (2026)64th percentile+3 vs school
Male (2026)57th percentile-3 vs school
African American (2026)46th percentile-15 vs school
High school
Multi-racial (2024)96th percentile+34 vs school
English Language Learner (2025)81st percentile+28 vs school
Asian (2024)74th percentile+13 vs school
Hispanic (2026)63rd percentile+13 vs school
At Risk (2022)61st percentile~ school
Low Socio Economic Status (2026)58th percentile+8 vs school
African American (2026)55th percentile+5 vs school
Male (2026)52nd percentile~ school
Female (2026)45th percentile-5 vs school
Special Education (2026)36th percentile-14 vs school
White (2025)17th percentile-36 vs school
By subject vs Texas (2025-2026) ?
Biology78%+8 vs state
U.S. History64%-7 vs state
English I Reading60%+4 vs state
English II Reading58%~ state avg
Reading52%-3 vs state
Mathematics42%+7 vs state
Algebra I35%-19 vs state
Social Studies30%~ state avg

No ratings yet
Be the first to rate Idea Walzem College Preparatory and help other families decide.
Rate Idea Walzem College Preparatory
Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.
Takes about a minute. We email you a link to verify your review - your address is never shown publicly.
Tap a star to rate
Reviews
No written reviews yet. If you know this school, be the first to share what stands out.



Schools Near Idea Walzem College Preparatory

Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private






Frequently Asked Questions about Idea Walzem College Preparatory

In the 2024-25 school year, 724 students attended Idea Walzem College Preparatory.

Students at Idea Walzem College Preparatory are 69% Hispanic, 22% African American, 4% White, 2% Asian, 2% Two or more races.

Idea Walzem College Preparatory ranks 1000th of 2009 Texas high schools. SchoolDigger rates this school 3 stars out of 5.


Rate Idea Walzem College Preparatory!



Sign up for updates!

Be the first to know when there is an update for Idea Walzem College Preparatory!


Latest Texas data All new data »
2025–26 STAAR, STAAR EOC & STAAR Spanish test scoresJun 12, 2026
2021–22 through 2023–24 school spending dataJan 10, 2026
2023–24 dropout rates & graduation ratesSep 17, 2025
2024–25 STAAR EOC & STAAR Spanish test scoresJun 23, 2025


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Texas Education Agency.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





Diagnostics