Cosby High School

  • Cosby High School serves 2,074 students in grades 9-12.
  • The percentage of students achieving proficiency in Math is 95% (which is higher than the Virginia state average of 80%) for the 2015-16 school year. The percentage of students achieving proficiency in Reading/Language Arts is 96% (which is higher than the Virginia state average of 80%) for the 2015-16 school year.
  • Cosby High School placed in the top 5% of all schools in Virginia for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%) for the 2015-16 school year.
  • The student:teacher ratio of 18:1 is higher than the Virginia state level of 15:1.
  • Minority enrollment is 27% of the student body (majority Black), which is lower than the Virginia state average of 50%.

Top Placements

Cosby High School places among the top 20% of public schools in Virginia for:

School Overview

  • Cosby High School's student population of 2,074 students has stayed relatively flat over five school years.
  • The teacher population of 113 teachers has stayed relatively flat over five school years.
AwardsHonored for National Blue Ribbon Award Blue Ribbon School (2015)
Grades OfferedGrades 9-12
Total Students2,074 students
This chart display total students of Cosby High School by year, with the latest 2015-16 school year data.
Gender %This chart display gender of Cosby High School
Total Classroom Teachers113 teachers
This chart display the total teachers of Cosby High School by year, with the latest 2015-16 school year data.
Students by GradeThis chart display the students of Cosby High School by grade.

School Comparison

  • Cosby High School is ranked within the top 5% of all 1,796 schools in Virginia (based off of combined Math and Reading proficiency testing data) for the 2015-16 school year.
  • The school's student:teacher ratio of 18:1 has stayed the same over five school years.
  • The diversity score of Cosby High School is 0.45, which is more than the diversity score at state average of 0.42. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2015-2016 School Year DataThis SchoolState Level (VA)
Overall School Rank
1%
25%
Math Test Scores (% Proficient)
95%
80%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Cosby High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Virginia by year, with the latest 2015-16 school year data.
Reading / Language Arts Test Scores (% Proficient)
96%
80%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Cosby High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Virginia by year, with the latest 2015-16 school year data.
Student : Teacher Ratio18:115:1
This chart display the student teacher ratio of Cosby High School and the public school average student teacher ratio of Virginia by year, with the latest 2015-16 school year data.
Asian
5%
7%
This chart display the percentage of Asian students in Cosby High School and the percentage of Asian public school students in Virginia by year, with the latest 2015-16 school year data.
Hispanic
5%
14%
This chart display the percentage of Hispanic students in Cosby High School and the percentage of Hispanic public school students in Virginia by year, with the latest 2015-16 school year data.
Black
14%
23%
This chart display the percentage of Black students in Cosby High School and the percentage of Black public school students in Virginia by year, with the latest 2015-16 school year data.
White
73%
50%
This chart display the percentage of White students in Cosby High School and the percentage of White public school students in Virginia by year, with the latest 2015-16 school year data.
Two or more races
3%
5%
This chart display the percentage of students of two or more races in Cosby High School and the percentage of public school students of two or more races in Virginia by year, with the latest 2015-16 school year data.
All Ethnic GroupsThis chart display the percentage breakdown of students of all ethnic groups in Cosby High School.This chart display the percentage breakdown of public school students of all ethnic groups in VA.
Diversity Score0.450.42
This chart display the diversity score of Cosby High School and the public school average diversity score of Virginia by year, with the latest 2015-16 school year data.
Graduation Rate
97%
87%
This chart display graduation rate of Cosby High School and public school graduation rate of Virginia by year, with the latest 2015-16 school year data.
Eligible for Free Lunch
4%
35%
Eligible for Reduced Lunch
1%
6%
School Statewide TestingView Education Department Test Scores
School District NameChesterfield County School District
Source: 2015-2016 (latest school year available) NCES, VA Dept. of Education

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