High · Regular · Grades 9 to 12
Allen High School, Allen, TX
Allen High School is a public high school in Allen, part of Allen ISD. It enrolled 5,206 students in 2024-25, with 19.9 students per full-time teacher.Listed in NCES data as "ALLEN H S".
Enrollment and teachers
- Students
- 5,206
- Teachers (FTE)
- 262.0
- Students per teacher
- 19.9
- Grades
- 9 to 12
This school's ratio is 3.7 higher than the district figure of 16.2. The Texas average across schools is 15.1. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
This school19.9
District16.2
Texas15.1
United States15.3
School details
- Address
- 300 Rivercrest Blvd, Allen, TX 75002
- Phone
- (972)727-0400
- District
- Allen ISD
- County
- Collin County
- Level
- High
- Type
- Regular
- Status
- Open
- Charter
- No
- Locale
- Suburb: Large
- NCES school ID
- 480789000117
Related schools
We publish official enrollment and staffing data, not ratings or test scores.
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.