Lake Brantley High School
Altamonte Springs, FLPublicHigh · Grades 9–12
School grade
Florida Department of Education
A grade for 2025, with 64% of possible points.
| Measure | 2023 | 2024 | 2025 |
|---|---|---|---|
| Grade | B | B | A |
| Share of possible points | 64% | 61% | 64% |
| ELA achievement | 52% | 62% | 66% |
| ELA learning gains | – | 62% | 64% |
| ELA learning gains, lowest 25% | – | 66% | 58% |
| Math achievement | 39% | 41% | 45% |
| Math learning gains | – | 40% | 51% |
| Math learning gains, lowest 25% | – | 42% | 64% |
| Science achievement | 67% | 72% | 67% |
| Social studies achievement | 69% | 70% | 75% |
| Graduation rate | 96% | 93% | 98% |
| College and career acceleration | 60% | 58% | 55% |
| Students tested | 97% | 97% | 96% |
A dash marks a component the school was not graded on. 2023 grades were an informational baseline for new state tests.
Discipline
State and federal reports
Florida Department of Education
354 students were suspended out of school at least once in 2024–25.
| Measure | 2023–24 | 2024–25 |
|---|---|---|
| Suspended out of school | 189 | 354 |
| Expelled with educational services | None reported | Under 10 |
| Alternative placement | 14 | 22 |
None reported: Suspended in school, expelled without educational services, suspension extended pending a hearing, corporal punishment, change in placement, other actions.
Each student counts once per action.
U.S. Department of Education
| Measure | 2021–22 | 2023–24 |
|---|---|---|
| Enrolled in the fall | 2,596 | 2,814 |
| Suspended out of school | 7.2% · 186 | 6.6% · 187 |
| Suspended in school | 0.0% · 0 | 0.0% · 0 |
| Expelled | 0.6% · 15 | 0.5% · 13 |
School Profile
Location
Suburb, Large
Enrollment
2,815 students
Student-Teacher Ratio
23:1
Demographics
Hispanic/Latino33.7%
White46.4%
Black or African American12.0%
Asian3.2%
Two or More Races4.4%
American Indian or Alaska Native0.1%
Native Hawaiian or Pacific Islander0.2%
Public school directory
NCES ID 120171001888
- District
- Seminole
- Status
- Open
- School category
- Regular School
- Charter
- No
- Virtual instruction
- No virtual instruction
- Enrollment
- 2,815 students
- Teachers (FTE)
- 121.3
Sources
- NCES Common Core of Data · National Center for Education Statistics · 2023–24
- Florida School Grades · Florida Department of Education · 2022–23, 2023–24, 2024–25
- Florida School Discipline Data · Florida Department of Education · 2023–24, 2024–25
- Civil Rights Data Collection · U.S. Department of Education, Office for Civil Rights · 2021–22, 2023–24