1
Enrollment
5,206
High
DISTRICT 2,294 · STATE 796
SCHOOL COMMUNITY·ALLEN ISD·NCES 480789000117
Allen High School
300 RIVERCREST BLVD, ALLEN, TX 75002 · (972) 727-0400 · Collin County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL5,206 STUDENTS
Student : Teacher
19.8:1
263 FTE teachers
DISTRICT 17.6:1 · STATE 15.1:1
Free / Reduced Lunch
,
Title I proxy
DISTRICT 24% · 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
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 71 | 1% |
| Grade 10 | 1,776 | 34% |
| Grade 11 | 1,685 | 32% |
| Grade 12 | 1,674 | 32% |
Student demographics
74%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 74% · STATE 63% · US 70%
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
Test scores
STAAR 2025-26 . % Meets Grade Level or AboveReading
75.0%
TX avg 54.5% . +36.0pp since 2020
Mathematics
85.0%
TX avg 45.3% . +77.0pp since 2020
What this means: On the STAAR, Texas's statewide test, about 75 of every 100 students at this school read at grade level and about 85 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 36 points since 2020, while math scores are up about 77 points.
Performance levels, 2025-26
| Subject | Masters Grade Level | Meets Grade Level | Approaches Grade Level | Did Not Meet Grade Level |
|---|---|---|---|---|
| Reading | 19.0% | 56.0% | 10.0% | 15.0% |
| Mathematics | 40.0% | 45.0% | 12.0% | 3.0% |
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 year | Reading | Mathematics |
|---|---|---|
| 2025-26 | 75.0% | 85.0% |
| 2024-25 | 74.0% | 81.0% |
| 2023-24 | 75.0% | 82.0% |
| 2022-23 | 38.0% | 12.0% |
| 2021-22 | 40.0% | 0.0% |
| 2020-21 | 39.0% | 8.0% |
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →
Where Allen High School ranks
Among high schools| Measure | This school | In Texas | In Collin County |
|---|---|---|---|
| Math proficiency ranked highest first | 85.0% | #24 of 1,425 ▲ 7 | #3 of 38 ▲ 1 |
| Reading proficiency ranked highest first | 75.0% | #263 of 1,425 ▼ 16 | #18 of 38 no change |
| Enrollment ranked largest first | 5,206 | #2 of 2,107 | #1 of 48 |
| Students per teacher ranked fewest first | 19.8:1 | #1,275 of 1,344 | #37 of 38 |
| Diversity index ranked most diverse first | 73.6% | #39 of 1,346 | #12 of 38 |
| Enrollment change since 2017-18 ranked fastest growth first | +6.6% | #453 of 672 | #15 of 16 |
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 2024-25Enrollment
5,206
-122 (-2%) vs 2020
+260% since 1990-91, when it was 1,445
Student : Teacher
19.8:1
was 19.7:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 5,206 | 262.7 | 19.8:1 | N/A |
| 2023-24 | 5,273 | 275.9 | 19.1:1 | N/A |
| 2022-23 | 5,317 | 277.8 | 19.1:1 | N/A |
| 2020-21 | 5,328 | 270 | 19.7:1 | 19% (1,001) |
| 2017-18 | 4,885 | 246.9 | 19.8:1 | 13% (615) |
| 2015-16 | 4,746 | 237 | 20.0:1 | 14% (646) |
| 2010-11 | 3,858 | 223 | 17.3:1 | 15% (585) |
| 2000-01 | 2,219 | 140 | 15.8:1 | 2% (47) |
| 1990-91 | 1,445 | 14 | 103.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Allen High School.
Since 2017-18: students up 7% (4,885 to 5,206); teachers up 6% (246.9 to 262.7).
About Allen High School
In ALLEN, Texas, Allen High School is a large high school. Grades offered run from 9 through 12, with 5,206 students enrolled. For comparison, high schools in Texas average about 796 students.
In ALLEN ISD, 23 schools enroll a combined 20,838 students.
White students form the largest group at Allen High School, 39% of enrollment. The next largest groups are 26% Asian, 15% Hispanic, 14% Black, and 5% multiracial. In Collin County overall, about 54% of residents are White. The chance that two students picked at random at Allen High School belong to different racial or ethnic groups, known as the diversity index, is 74%.
Teachers at Allen High School total 262.7 full-time equivalents, and the ratio is 19.8:1. The 15.1:1 average for high schools in Texas is lower than this school's figure.
In Collin County (population about 1,163,337), median household income is about $121,600, 56% of adults hold a bachelor's degree or higher, and about 5% of residents live below the federal poverty line. A total of 338 public schools operate in Collin County, serving about 227,575 students.
The school nearest to Allen High School is Lowery Freshman Center, at a distance of about 0.4 miles. Within five miles of Allen High School, there are at least 8 other public schools.
The school's federal locale classification is Suburb: Large.
The student count changed little between 2020-21 (5,328) and 2024-25 (5,206).
Families, students, and staff can use this page to discuss sports schedules, lunch menus, and spirit week at Allen High School. Alumni can share how the school prepared them.
Collin County at a glance
View full county profilePopulation
1,163,337
Census ACS
Median income
$121,600
Household, ACS
Bachelor's+
56%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
338
227,575 students
Quick facts
Related schools
Other schools in ALLEN ISD
- Lowery Freshman CenterHigh · 1,674 students
- Walter & Lois Curtis Middle SchoolMiddle · 1,323 students
- Ereckson Middle SchoolMiddle · 1,263 students
- Lois Lindsey Elementary SchoolElementary · 792 students
- Dr E T Boon Elementary SchoolElementary · 789 students
- Carlena Chandler Elementary SchoolElementary · 731 students
Other schools in ALLEN
- Lowery Freshman CenterHigh · 1,674 students
- Walter & Lois Curtis Middle SchoolMiddle · 1,323 students
- Ereckson Middle SchoolMiddle · 1,263 students
- Dr E T Boon Elementary SchoolElementary · 789 students
- Carlena Chandler Elementary SchoolElementary · 731 students
- Jenny Preston Elementary SchoolElementary · 726 students
Other Allen High schools
2 other US public schools in 3 states are named Allen High. Allen High School is the largest of the 3.
- Allen High SchoolAllen, OK · 133 students
- ALLEN HIGH SCHOOLALLEN, NE · 61 students
Nearby schools
- Lowery Freshman Center0.4 mi · 1,674
- Gene M Reed Elementary School1.1 mi · 486
- W E Pete Ford Middle School1.2 mi · 702
- George J Anderson Early Childhood School1.5 mi · 439
- James and Margie Marion Elementary School1.5 mi · 688
- Alton Boyd Elementary School1.7 mi · 393
Frequently asked questions
About Allen High SchoolWhat is the total enrollment at Allen High School?
Allen High School enrolls approximately 5,206 students in grades 09-12.
Is Allen High School an elementary, middle, or high school?
Allen High School is a high school covering grades 09-12.
How many students per teacher at Allen High School?
Approximately 19.8:1 students per teacher at Allen High School.
What is the racial breakdown of students at Allen High School?
At Allen High School, the student body is approximately 39% White, 15% Hispanic, 14% Black, 26% Asian, 5% Two or more.
Who oversees Allen High School?
Allen High School is overseen by ALLEN ISD in Collin County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.