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SCHOOL COMMUNITY·DALLAS ISD·NCES 481623001350

Alex Sanger Preparatory School

8410 SAN LEANDRO DR, DALLAS, TX 75218 · (972) 749-7600 · Dallas County
GRADES PK–08ELEMENTARY11-CITYTITLE IREGULAR SCHOOL769 STUDENTS
A
allk12 Grade
Scored higher than 85% of Texas public elementary schools
  • B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • B+Three-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 elementary schools

Enrollment
769
Elementary
DISTRICT 488 · STATE 519
Student : Teacher
15.9:1
49 FTE teachers
DISTRICT 14.6:1 · STATE 15.1:1
Free / Reduced Lunch
73%
558 students
DISTRICT 89% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K8111%
Kindergarten7610%
Grade 17610%
Grade 2679%
Grade 38311%
Grade 48010%
Grade 58111%
Grade 67610%
Grade 78010%
Grade 8699%

This year's kindergarten class (76) is 10% larger than its 8th grade class (69).

Student demographics
51%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · STATE 63% · US 70%
White
14419%
DISTRICT 6% · STATE 24% · US 43%
Hispanic
51567%
DISTRICT 71% · STATE 54% · US 30%
Black
729%
DISTRICT 19% · STATE 13% · US 15%
Asian
122%
DISTRICT 1% · STATE 6% · US 6%
Two+
223%
DISTRICT 2% · STATE 3% · US 5%
Native American
41%
DISTRICT 1% · STATE 0% · US 1%
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
41454%
Female
35546%

School pathway

Students here typically continue to
Alex Sanger Preparatory School→W H Gaston Middle School→Bryan Adams H S Leadership Academy
Based on published attendance-zone data from DALLAS ISD. Zones change; confirm enrollment with the district.

Discussions

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Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
64.0%
TX avg 54.5% . +26.0pp since 2020
Mathematics
54.0%
TX avg 45.3% . +18.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 64 of every 100 students at this school read at grade level and about 54 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 26 points since 2020, while math scores are up about 18 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading36.0%28.0%19.0%17.0%
Mathematics23.0%31.0%28.0%18.0%
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
2025-2664.0%54.0%
2024-2563.0%52.0%
2023-2462.0%49.0%
2022-2352.0%43.0%
2021-2249.0%42.0%
2020-2138.0%36.0%
% 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
53.7%
composite math + reading, all grades
Predicted
42.7%
based on TX schools with similar FRL share
Beats by
+11.0pp
above demographic expectation

What this means: About 54% of students here test proficient in math and reading, compared with the roughly 43% 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 Alex Sanger Preparatory School

Alex Sanger Preparatory School's state test result (53.7% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Alex Sanger Preparatory School this school76972.6%53.7%
I T Holleman Elementary School
WALLER
75370.4%42.0%
Annie Purl Elementary School
GEORGETOWN
69072.0%21.3%
Selman Elementary School
SEALY
74974.2%35.5%
Hutchins Elementary School
EL CAMPO
67875.4%35.5%
Lake Air Montessori School
WACO
73468.1%42.0%
Matched among Texas elementary 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 Alex Sanger Preparatory School ranks

Among elementary schools
MeasureThis schoolIn TexasIn Dallas County
State test proficiency
ranked highest first
53.7%#1,152 of 4,401#70 of 421
Math proficiency
ranked highest first
54.0%#1,382 of 4,466
▲ 57
#94 of 429
▲ 15
Reading proficiency
ranked highest first
64.0%#1,099 of 4,466
▲ 80
#77 of 429
▲ 5
3-year test score change
ranked biggest gain first
+11.5pp#1,236 of 3,998#94 of 399
Enrollment
ranked largest first
769#556 of 4,938#35 of 448
Students per teacher
ranked fewest first
15.9:1#3,176 of 4,622#299 of 432
Diversity index
ranked most diverse first
50.7%#2,354 of 4,628#177 of 433
Free and reduced lunch
ranked highest share first
72.6%#2,420 of 4,789#330 of 437
Enrollment change since 2017-18
ranked fastest growth first
+52.0%#95 of 1,307#9 of 118
Ranked against other public elementary 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
769
+40 (+5%) vs 2020
+61% since 1990-91, when it was 478
Student : Teacher
15.9:1
was 14.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2576948.515.9:173% (558)
2023-247615513.8:173% (554)
2022-237665314.4:167% (510)
2020-217295014.6:175% (550)
2017-1850631.316.2:176% (385)
2015-165213514.9:184% (436)
2010-114963315.0:182% (405)
2000-015613715.2:175% (422)
1990-914783414.1:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Alex Sanger Preparatory School.

Since 2017-18: students up 52% (506 to 769); teachers up 55% (31.3 to 48.5).

About Alex Sanger Preparatory School

Alex Sanger Preparatory School is the name of a medium-sized elementary school in DALLAS, Texas. It enrolled 769 students in pre-K through 8 for the 2024-25 school year. Enrollment is 48% higher than the average for elementary schools in Texas, which is about 519.

Enrollment across the 240 schools in DALLAS ISD totals 140,630 students.

By race and ethnicity, Alex Sanger Preparatory School is 67% Hispanic. It is also 19% White, 9% Black, and 3% multiracial. For comparison, the population of Dallas County is roughly 41% Hispanic. Alex Sanger Preparatory School has a diversity index of 51%, compared with 70% for all US public school students.

The school reports 48.5 full-time-equivalent teachers, which works out to about 15.9 students per teacher. For comparison, elementary schools in Texas average 15.1:1. Free or reduced-price lunch eligibility covers 73% of students.

allk12 grades Alex Sanger Preparatory School an A. The grade compares the school only with Texas public elementary schools, because each state gives its own test.

Alex Sanger Preparatory School posts an average proficiency rate on state tests of 53.7%, compared with a predicted 42.7%. It is not in the top or bottom 10% of Texas schools on BeatsExpectations.

Census Bureau estimates for Dallas County show that median household income is about $76,547, 36% of adults hold a bachelor's degree or higher, and about 11% of residents live below the federal poverty line. A total of 771 public schools operate in Dallas County, serving about 459,645 students.

The shortest distance from Alex Sanger Preparatory School to another public school is about 0.9 miles, to Bayles Elementary School. The five-mile area around Alex Sanger Preparatory School holds at least 8 other public schools. Among 8 nearby schools that report test results, Alex Sanger Preparatory School ranks 1st on proficiency.

For locale, NCES codes Alex Sanger Preparatory School as City: Large.

The student count in 2024-25 was 769, 5% above the 729 of 2020-21. The number of students per teacher rose from 14.6 to 15.9 over 4 years.

If you have questions about science fairs, picture day, and bus routes at Alex Sanger Preparatory School, you can post them here. Anyone with firsthand experience at this school can post or comment.

Dallas County at a glance

View full county profile
Population
2,621,179
Census ACS
Median income
$76,547
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
771
459,645 students

Quick facts

School name
Alex Sanger Preparatory School
District
DALLAS ISD
Address
8410 SAN LEANDRO DR, DALLAS, TX 75218
Phone
(972) 749-7600
County
Dallas County
Level
Elementary
Grade range
PK–08
Total enrollment
769
Teachers (FTE)
49
Student–teacher ratio
15.9:1
Free and reduced lunch
558 (73%)
Locale
11-City: Large
NCES ID
481623001350
Charter school
No
Virtual school
No

Related schools

Other schools in DALLAS ISD
Other schools in DALLAS
Nearby schools

Frequently asked questions

About Alex Sanger Preparatory School
How many students attend Alex Sanger Preparatory School?
Alex Sanger Preparatory School enrolls approximately 769 students in grades PK-08.
What grades does Alex Sanger Preparatory School serve?
Alex Sanger Preparatory School serves grades PK-08.
How many teachers does Alex Sanger Preparatory School have?
Alex Sanger Preparatory School employs 49 FTE teachers, for a student-to-teacher ratio of 15.9:1.
How diverse is Alex Sanger Preparatory School?
Alex Sanger Preparatory School reports a student body of 19% White, 67% Hispanic, 9% Black, 2% Asian, 3% Two or more.
Who oversees Alex Sanger Preparatory School?
Alex Sanger Preparatory School is overseen by DALLAS ISD in Dallas County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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Alex Sanger Preparatory School · Reviews, news, discussion (DALLAS, TX) · allk12