Lancaster H S
Lancaster Isd · Dallas County · High school
Lancaster H S enrolled 2,254 students in 2025. In the class of 2024, 98.8% graduated in four years (Texas: 92.7%). Its four-year graduation rate sits in the top 26% of Texas campuses (2024).
At a glance vs. Texas
The advanced pipeline
Black students at each gate, latest year. Each stage has its own denominator; the bars sit side by side, never multiplied.
Outcomes
Graduation rate
Share of the class that graduated high school within 4 years.
College/career/military ready
Met Texas' readiness checklist: a qualifying test score, college credit, a career certificate, or military enlistment.
Exists from the class of 2017. A checklist, not a test. See Methods.
Enrolled in a Texas college
Enrolled in a Texas college or university the fall after graduating.
Texas colleges only: misses out-of-state, military, and trade paths. Runs through the class of 2022.
College entrance exams
Took the SAT or ACT
Share of graduates who took a college entrance exam.
Can top 100% where juniors test (the denominator is graduates).
College-ready test score
Scored at or above the college-ready benchmark on the SAT or ACT.
The benchmark was redefined between 2017 and 2018, and COVID broke the series between 2020 and 2021. Compare within eras, not across the dashed lines.
Avg SAT math
Average SAT math score among test-takers (200-800). The line at 530 is the college-ready benchmark.
The SAT was rescaled in 2016. Never compare across the dashed line.
Avg SAT reading/writing
Average SAT reading and writing score among test-takers (200-800). The line at 480 is the college-ready benchmark.
The SAT was rescaled in 2016. Never compare across the dashed line.
Avg ACT math
Average ACT math score among test-takers (1-36).
Avg ACT English
Average ACT English score among test-takers (1-36).
Avg ACT science
Average ACT science score among test-takers (1-36).
State tests (high school)
Algebra I proficiency
Met grade level on the Algebra I STAAR, the state test nearly every student takes.
Biology proficiency
Met grade level on the Biology STAAR.
English II proficiency
Met grade level on the English II STAAR.
Advanced courses
Advanced course completion
Completed at least one advanced or dual-credit course (grades 11-12).
Took an AP/IB course
Enrolled in at least one AP or IB course.
Took an AP/IB exam
Took at least one AP or IB exam.
Passed an AP/IB exam
Scored a passing 3+ on an AP exam (4+ on IB), among students who took one.
Enrollment
Enrollment
Students enrolled.
Every measure, latest year
| Measure | Year | All | Black | Hispanic | White | Low-income |
|---|---|---|---|---|---|---|
| Graduation rate | 2024 | 98.8% | 99.5% | 98.3% | 88.9% | 99.1% |
| College/career/military ready | 2024 | 82.6% | 83.1% | 78.3% | 87.5% | 82.6% |
| Algebra I proficiency | 2025 | 22.3% | 22.6% | 20.2% | 0% | 21.2% |
| Biology proficiency | 2025 | 45.3% | 43.3% | 47.8% | 57.1% | 43.4% |
| English II proficiency | 2025 | 37.7% | 38.4% | 35.2% | 44.4% | 35% |
| Advanced course completion | 2024 | 58% | 59.2% | 53% | 56.3% | 58.8% |
| Took an AP/IB course | 2024 | 26.4% | 28.3% | 19% | 25% | 26.6% |
| Took an AP/IB exam | 2024 | 13.8% | 14.3% | 12.3% | 12.5% | 13.7% |
| Passed an AP/IB exam | 2024 | 15.4% | 10% | 35.5% | – | 15.5% |
More schools in Lancaster Isd
Years are the school year the students were measured in, not the report year. Missing points mean the state masked a small group for privacy, not zero. Data: Texas Education Agency TAPR. Download this school's data (JSON).