Lake Brantley High School is located in Altamonte Springs, Florida, a suburban community approximately 13 miles north of Orlando. It is a public high school serving grade levels 9–12 in Seminole County, FL, operated by Seminole County Public Schools.
Serving 2,813 students in grades 9-12, Lake Brantley High School ranks in the bottom 50% of all schools in Florida for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 38% (which is lower than the Florida state average of 52%). The percentage of students achieving proficiency in reading/language arts is 53% (which is higher than the Florida state average of 52%).
The student-teacher ratio of 23:1 is higher than the Florida state level of 17:1.
Minority enrollment is 55% of the student body (majority Hispanic), which is lower than the Florida state average of 66% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,813 students
- Student-Teacher Ratio: 23:1
- Minority Enrollment: 55%
- Graduation Rate: 93% (Top 50% in FL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 38% (Btm 50%)
- Reading Proficiency: 53% (Top 50%)
- Science Proficiency: 66% (Top 20%)
- Source: National Center for Education Statistics (NCES), FL Dept. of Education
Top Rankings
Lake Brantley High School ranks among the top 20% of public schools in Florida for:
Category
Attribute
Science Proficiency
School Overview
Lake Brantley High School's student population of 2,813 students has grown by 6% over five school years.
The teacher population of 123 teachers has grown by 18% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
2,813 students
Total Classroom Teachers
123 teachers
Year Founded
1972
Colors
Blue and Gold
School Calendar
School Motto
'Where Patriots Meet the Challenge'
School Rankings
Lake Brantley High School ranks within the bottom 50% of all 3,662 schools in Florida (based off of combined math and reading proficiency testing data).
The diversity score of Lake Brantley High School is 0.66, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2120 out of 3662 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
38%
52%
Reading/Language Arts Test Scores (% Proficient)
53%
52%
Science Test Scores (% Proficient)
66%
52%
Student-Teacher Ratio
23:1
17:1
Asian
3%
3%
Hispanic
35%
38%
Black
12%
21%
White
45%
34%
Two or more races
5%
4%
All Ethnic Groups
Graduation Rate
93%
87%
Chronically Absent Students
(22-23)29.3%
33.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
32%
42%
Eligible for Reduced Lunch
11%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), FL Dept. of Education
School Notes
- School Mascot: Patriot
Frequently Asked Questions
What is Lake Brantley High School's ranking?
Lake Brantley High School is ranked #2120 out of 3,662 schools, which ranks it among the bottom 50% of public schools in Florida.
What schools are Lake Brantley High School often compared to?
Lake Brantley High Schoolis often viewed alongside schools like Lake Mary High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
38% of students have achieved math proficiency (compared to the 52% FL state average), while 53% of students have achieved reading proficiency (compared to the 52% FL state average).
What is the graduation rate of Lake Brantley High School?
The graduation rate of Lake Brantley High School is 93%, which is higher than the Florida state average of 87%.
How many students attend Lake Brantley High School?
2,813 students attend Lake Brantley High School.
What is the racial composition of the student body?
45% of Lake Brantley High School students are White, 35% of students are Hispanic, 12% of students are Black, 5% of students are Two or more races, and 3% of students are Asian.
What is the student-teacher ratio of Lake Brantley High School?
Lake Brantley High School has a student ration of 23:1, which is higher than the Florida state average of 17:1.
What grades does Lake Brantley High School offer ?
Lake Brantley High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Lake Brantley High School part of?
Lake Brantley High School is part of Seminole School District.
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