Serving 789 students in grades 9-12, Greenbrier High School ranks in the bottom 50% of all schools in Tennessee for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 14% (which is lower than the Tennessee state average of 31%). The percentage of students achieving proficiency in reading/language arts is 34% (which is lower than the Tennessee state average of 37%).
The student:teacher ratio of 15:1 is equal to the Tennessee state level of 15:1.
Minority enrollment is 27% of the student body (majority Hispanic), which is lower than the Tennessee state average of 43% (majority Black).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 789 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 27%
- Graduation Rate: 90-94% (Top 50% in TN)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 14% (Btm 50%)
- Reading Proficiency: 34% (Top 50%)
- Science Proficiency: 43% (Top 50%)
- Source: National Center for Education Statistics (NCES), TN Dept. of Education
School Overview
Greenbrier High School's student population of 789 students has stayed relatively flat over five school years.
The teacher population of 52 teachers has declined by 5% over five school years.
Grades Offered
Grades 9-12
Total Students
789 students
Gender %
Total Classroom Teachers
52 teachers
Students by Grade
School Rankings
Greenbrier High School ranks within the bottom 50% of all 1,761 schools in Tennessee (based off of combined math and reading proficiency testing data).
The diversity score of Greenbrier High School is 0.44, which is less than the diversity score at state average of 0.61. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1146 out of 1761 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
14%
31%
Reading/Language Arts Test Scores (% Proficient)
34%
37%
Science Test Scores (% Proficient)
43%
40%
Student : Teacher Ratio
15:1
15:1
American Indian
n/a
n/a
Asian
1%
2%
Hispanic
18%
15%
Black
4%
21%
White
73%
57%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
90-94%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
28%
45%
Eligible for Reduced Lunch
6%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), TN Dept. of Education
Frequently Asked Questions
What is Greenbrier High School's ranking?
Greenbrier High School is ranked #1146 out of 1,761 schools, which ranks it among the bottom 50% of public schools in Tennessee.
What schools are Greenbrier High School often compared to?
Greenbrier High Schoolis often viewed alongside schools like Springfield High School, White House Heritage High School, Jo Byrns High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
14% of students have achieved math proficiency (compared to the 31% TN state average), while 34% of students have achieved reading proficiency (compared to the 37% TN state average).
What is the graduation rate of Greenbrier High School?
The graduation rate of Greenbrier High School is 90-94%, which is higher than the Tennessee state average of 90%.
How many students attend Greenbrier High School?
789 students attend Greenbrier High School.
What is the racial composition of the student body?
73% of Greenbrier High School students are White, 18% of students are Hispanic, 4% of students are Black, 4% of students are Two or more races, and 1% of students are Asian.
What is the student:teacher ratio of Greenbrier High School?
Greenbrier High School has a student ration of 15:1, which is equal to the Tennessee state average of 15:1.
What grades does Greenbrier High School offer ?
Greenbrier High School offers enrollment in grades 9-12
What school district is Greenbrier High School part of?
Greenbrier High School is part of Robertson County School District.
School Reviews
1 1/20/2020
Unfriendly to outsiders. Overall scores posted online are untrue. The kids are given the answers to tests in advance. That is not learning. Bullying is swept under the rug because it hurts the school rating. They don't even record the incidences, so the ratings are wrong. As a military family that moves around a lot we have seen some great schools in other states, this school is a solid 1 star. Do not send your kids here. Homeschool them. Therapy to undo the damage caused by this school will be expensive! If you love your kids, homeschool them.
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