Shining a light on education & government in TennesseeShining a light on education & government in TennesseeKnox County, Tennessee
4.3 / 5.0
High School · 2023-24
Powell High School earned an overall grade of B with a score of 4.3 out of 5.0, placing it among the upper half of high schools in Knox County. The school ranks #29 out of 83 schools in the county, compared to a county average score of 3.6.
This above average rating reflects consistently strong outcomes across the state's accountability measures, signaling that Powell High School is meeting or exceeding expectations for student learning and growth.
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.
Measures the percentage of students scoring On Track or Mastered on state assessments in ELA, math, science, and social studies.
Tracks how much academic progress all students made over the school year, regardless of their starting point.
Focuses specifically on growth among the lowest-performing 25% of students, ensuring schools support those who need it most.
Evaluates how well a school prepares students for life after graduation through ACT scores, graduation rates, and career readiness.
The final score of 4.3 is 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.
Percentage of students scoring On Track or Mastered on TNReady assessments.
Across all tested subjects, an average of 40.3% of students at Powell High School demonstrated proficiency. The strongest performance was in ELA (High) at 47.2%, while Math (High) at 26.3% represents the greatest opportunity for growth.
ELA (High): 47.2% of students scored On Track or Mastered, suggesting moderate proficiency with room for improvement.
Math (High): 26.3% of students scored On Track or Mastered, highlighting a significant area of need.
Science (High): 44.1% of students scored On Track or Mastered, suggesting moderate proficiency with room for improvement.
Social Studies (High): 43.4% of students scored On Track or Mastered, suggesting moderate proficiency with room for improvement.
Year-over-year academic growth measured on a 1–5 scale using TVAAS data.
Powell High School shows strong overall academic growth with an average score of 4.5 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.
Exceeding expectations
Exceeding expectations
Meeting expectations
Exceeding expectations
Proficiency rates across student populations.
Overall, 37.5% of all students at Powell High School demonstrated proficiency on state assessments. Among economically disadvantaged students, the rate was 23.0%, representing a 14.5 percentage point gap that warrants attention. Students with disabilities had a proficiency rate of 12.8%, 24.7 points below the overall rate.
Approaching the proficiency benchmark
Below the proficiency benchmark
Below the proficiency benchmark
Below the proficiency benchmark
Metrics that measure how well students are prepared for postsecondary success.
College and career readiness is a critical indicator of long-term student outcomes. Powell High School reports a ready graduate rate of 28.8%.
Moderate performance
Moderate performance
Reported metric
Area for improvement
Reported metric
Overall score compared to the Knox County average and the Tennessee state average.
With a score of 4.3, Powell High School is above the Knox County average of 3.6 and above the statewide average of 3.4. Among 83 schools in Knox County, this school holds the #29 position.
Common questions about Powell High School’s performance data.
See the complete report from the Tennessee Department of Education.
TN Report CardData from the Tennessee Department of Education | 2023-24 School Year