Colonial High, 6100 Oleander Drive: grades 9-12, 2,545 students on Oct. 1, 2026, a C in Florida's 2026 school grades.

Last checked Oct. 9, 2026. Sources: the school’s website, Orange County Public Schools’ 2026-27 school location and attendance zone data, zone map, Oct. 1, 2026 enrollment summary and 2026-27 bell times; the Florida Department of Education’s 2026 school grades file, the federal NCES school directory and the FHSAA’s 2026-27 football assignments.

Colonial High School is the Orange County Public Schools high school for grades 9 to 12 at 6100 Oleander Drive. The campus has an Orlando mailing address but sits just outside the city limits, in unincorporated Orange County. By our comparison of the district’s 2026-27 zone map with 2020 census counts (which miss homes built since), about 12% of Orlando’s residents live in its attendance zone.

Who to call
Address 6100 Oleander Drive, Orlando, FL 32807
Phone 407-482-6300
Grades 9 to 12
Mascot Grenadiers
District Orange County Public Schools
State school number 0661

Principal

Principal Betzabeth Reussow, according to the school’s faculty and staff page.

Enrollment and teachers

  • District count: 2,545 students on Oct. 1, 2026, against a permanent capacity of 2,981, according to the district’s enrollment summary.
  • Federal count: 3,239 students in the 2024-25 school year, with 137 full-time-equivalent classroom teachers, according to the NCES directory. That is about 24 students per teacher.

State report card

Florida grades every public school A to F on the share of possible points it earns on state test results, learning gains, the graduation rate and college and career acceleration. The state’s 2026 file sets an A for a high school at 65% of points or more.

School year Grade
2025-26 C (59% of possible points)
2024-25 B
2023-24 C

From the state’s 2026 school grades file, the share of students scoring on grade level on the state tests in 2025-26:

  • English language arts: 44%
  • Math: 45%
  • Science: 69%
  • Social studies: 84%
  • Graduation rate (2024-25): 95%
  • College and career acceleration (2024-25): 75% of graduates

The full report card is on the state’s Florida school report cards site. It is an interactive dashboard; the figures above come from the downloadable file.

Attendance zone and feeder schools

Check any address with the district’s Find My School tool, its 2026-27 zone lookup map or the Colonial High zone map (PDF).

Comparing the district’s 2026-27 attendance zones (shares are of residents counted in the 2020 census, not of students):

The district’s rezoning page lists no board-approved change to this school’s zone for 2026-27.

Calendar and bell times

Classes run 7:20 a.m. to 2:20 p.m., and to 1:10 p.m. on Wednesdays, under the district’s 2026-27 bell times.

From the district’s 2026-27 calendar (PDF):

  • Monday, Oct. 12: no school for students (teacher workday)
  • Nov. 23-27: Thanksgiving break
  • Friday, Dec. 18: end of the second marking period
  • Dec. 21 to Jan. 1, 2027: winter break
  • Monday, Jan. 4, 2027: no school for students
  • March 15-19, 2027: spring break
  • Wednesday, May 26, 2027: last day of school

Programs

The district’s magnet programs page lists Colonial High’s Cambridge Program and Veterinary Animal Science and Service programs.

Applications for the district’s magnet programs and scholastic academies for the 2027-28 school year open Tuesday, Oct. 13, and close Friday, Dec. 18, according to the district’s magnet programs page.

Sports and activities

Colonial High, the Grenadiers, is listed as an independent for football in 2026-27, outside the district alignment, according to the FHSAA’s assignments.

The school’s athletics site, which its website links from the Athletics menu, lists varsity teams in baseball, basketball, bowling, cheer, cross country, flag football, football, golf, lacrosse, soccer, softball, swimming, tennis, track, volleyball, water polo, weightlifting and wrestling. Follow the Grenadiers on our Friday night football page and the high school scoreboard.

More on Orlando schools

Frequently asked questions

What grades does Colonial High serve?

Grades 9 through 12. It is an Orange County Public Schools high school at 6100 Oleander Drive, Orlando.

What is Colonial High’s school grade?

Colonial High earned a C in Florida’s 2026 school grades, with 59% of possible points. It earned a B in 2025.

Which middle schools feed Colonial High?

All of the Liberty Middle zone and parts of the Roberto Clemente Middle and Odyssey Middle zones, according to a comparison of the district’s 2026-27 zone maps. Check any address in the OCPS Find My School tool.

What time does Colonial High start?

Classes run 7:20 a.m. to 2:20 p.m., and to 1:10 p.m. on Wednesdays, under the district’s 2026-27 bell times.