B−
Lake Brantley High School
PublicHighGrades 9–12
991 Sand Lake Rd, Altamonte Springs, FL 32714 · (407) 746-3450 · Part of Seminole County School District
Students
2,813
Students per teacher
23:1
Free or reduced lunch
44%
Setting
Suburb
Grades
9–12
What stands out about Lake Brantley High School
- Math proficiency 10 pts below the state
- Larger classes: 23:1 students per teacher
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency38%
State average 48%
Reading / language arts56%
State average 52.1%
Location
Directions ↗
991 Sand Lake Rd, Altamonte Springs
Students
Enrollment by grade
Grade 9716
Grade 10802
Grade 11704
Grade 12591
Enrollment over time
2,634’20
2,597’21
2,719’22
2,815’23
2,813’24
Up 6.8% since 2020.
Who goes here
White 45%Hispanic 35%Black 12%Two or more races 4%Asian 3%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Lake Brantley High School.
Other schools in Seminole County School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.