School overview
At a glance
Reported students
2,507
NCES CCD 2024–25, where reported
Teachers (FTE)
157.65
NCES CCD 2024–25
Student–teacher ratio
15.9:1
Calculated, not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Virginia high enrollment
94th percentile
Compared with 326 same-level schools reporting enrollment.
District median enrollment
776
Cosby High: 2,507 reported students.
State peer staffing position
79th percentile
15.9:1 reported; state peer median 13.8:1. Ratio is not class size.
Profile interpretation
What the reported data says about Cosby High
Cosby High is a public high school serving grades 09–12 in Midlothian. It is one of 74 current school records connected to Chesterfield County Public Schools. NCES reports 2,507 students for 2024–25.
Among 326 high schools in Virginia with comparable records, this school is larger than the reported median of 1,138 students. Its enrollment is at approximately the 94th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 15.9:1, above the Virginia median of 13.8:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are White (63.3%) and Black (16.2%). English learners represent 0.4% of enrollment. Students served under IDEA represent 9.1%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports access to Advanced Placement, computer science. The school reported 19 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Turn data into a school visit
Questions worth asking Cosby High
- 1How do the reported 15.9:1 student–teacher ratio and 157.65 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3How are the school's 7.5 counselor FTE allocated across grades and student needs?
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Student context
Enrollment needs
- English learners
- 0.4%
- Students with disabilities
- 9.1%
- Free/reduced-price lunch
- 16%
- Lunch program
- Yes participating without using any Provision or the CEO
People available to students
Support staff
- Counselors (FTE)
- 7.5
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 0.5
- Social workers (FTE)
- 0.5
Student demographics
Race and ethnicity share of reported enrollment
- White63.3%
- Hispanic8.5%
- Black16.2%
- Asian5.8%
- American Indian / Alaska Native0.1%
- Native Hawaiian / Pacific Islander0.2%
- Multiracial5.9%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Offered
19 courses reported
Gifted and talented
Not reported as offered
Computer science
Offered
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in Chesterfield County Public Schools
Start with campuses at the same school level or with similar reported enrollment.
Thomas Dale High
High · Grades 09–12
2,582 reported students
Manchester High
High · Grades 09–12
2,236 reported students
Lloyd C. Bird High
High · Grades 09–12
2,131 reported students
Midlothian High
High · Grades 09–12
2,048 reported students
Meadowbrook High
High · Grades 09–12
1,953 reported students
James River High
High · Grades 09–12
1,842 reported students