Greenbrier High School
Robertson County, Tennessee
3.9 / 5.0
High School · 2023-24
Overall Performance Summary
Greenbrier High School earned an overall grade of B with a score of 3.9 out of 5.0, placing it among the upper half of high schools in Robertson County. The school ranks #5 out of 17 schools in the county, compared to a county average score of 3.4.
This above average rating indicates that Greenbrier High School is meeting many of the state's accountability benchmarks, with some areas showing room for continued improvement.
How This Grade Was Calculated
Tennessee calculates each school’s letter grade using a weighted combination of performance indicators. Each component is scored on a 1–5 scale and assigned a letter grade.
Average
Measures the percentage of students scoring On Track or Mastered on state assessments in ELA, math, science, and social studies.
Excellent
Tracks how much academic progress all students made over the school year, regardless of their starting point.
Excellent
Focuses specifically on growth among the lowest-performing 25% of students, ensuring schools support those who need it most.
Above Average
Evaluates how well a school prepares students for life after graduation through ACT scores, graduation rates, and career readiness.
Weighted Contribution to Final Grade
The final score of 3.9is calculated by multiplying each component’s score by its weight percentage and summing the results. A higher weight means that component has a larger influence on the overall grade.
Subject Proficiency
Percentage of students scoring On Track or Mastered on TNReady assessments.
Across all tested subjects, an average of 31.1% of students at Greenbrier High School demonstrated proficiency. The strongest performance was in ELA (High) at 38.0%, while Math (High) at 19.7% represents the greatest opportunity for growth.
ELA (High): 38.0% of students scored On Track or Mastered, suggesting moderate proficiency with room for improvement.
Math (High): 19.7% of students scored On Track or Mastered, highlighting a significant area of need.
Science (High): 36.0% of students scored On Track or Mastered, suggesting moderate proficiency with room for improvement.
Social Studies (High): 30.7% of students scored On Track or Mastered, suggesting moderate proficiency with room for improvement.
Growth Indicators
Year-over-year academic growth measured on a 1–5 scale using TVAAS data.
Greenbrier High School shows strong overall academic growth with an average score of 4.0 out of 5.0 across measured subjects. This indicates students are making expected or above-expected progress from year to year, regardless of where they started.
Literacy
Exceeding expectations
Numeracy
Exceeding expectations
Science
Exceeding expectations
Social Studies
Meeting expectations
Student Success Rates
Proficiency rates across student populations.
Overall, 28.9% of all students at Greenbrier High School demonstrated proficiency on state assessments. Among economically disadvantaged students, the rate was 9.7%, representing a 19.2 percentage point gap that warrants attention. Students with disabilities had a proficiency rate of 8.2%, 20.7 points below the overall rate.
Below the proficiency benchmark
Below the proficiency benchmark
Below the proficiency benchmark
College & Career Readiness
Metrics that measure how well students are prepared for postsecondary success.
College and career readiness is a critical indicator of long-term student outcomes. Greenbrier High School reports a ready graduate rate of 19.8%.
Strong performance
Area for improvement
Reported metric
Moderate performance
Moderate performance
How Does Greenbrier High School Compare?
Overall score compared to the Robertson County average and the Tennessee state average.
With a score of 3.9, Greenbrier High School is above the Robertson County average of 3.4 and above the statewide average of 3.4. Among 17 schools in Robertson County, this school holds the #5 position.
Frequently Asked Questions
Common questions about Greenbrier High School’s performance data.
What grade did Greenbrier High School receive?
How does Greenbrier High School compare to other Robertson County schools?
What does the growth score mean for Greenbrier High School?
Is Greenbrier High School above or below the state average?
Which subjects are strongest at Greenbrier High School?
View Official Report Card
See the complete report from the Tennessee Department of Education.
TN Report CardData from the Tennessee Department of Education | 2023-24 School Year