Denn John Middle, 2001 Denn John Lane, Kissimmee: grades 6-8, 809 students (2024-25), a C in 2026 state grades. 407-935-3560.

Last checked Oct. 10, 2026. Sources: The School District of Osceola County, its school directory, zoning and feeder pattern pages, 2026-27 calendar and bell times; the school’s website; the Florida Department of Education’s 2026 school grades; the federal NCES school directory.

Denn John Middle School is a School District of Osceola County middle school at 2001 Denn John Lane, inside Kissimmee city limits. In the district’s 2026-27 zones, about 12,300 of the 34,091 homes inside the city, 36%, are zoned for it.

Who to call

  • Front office: 407-935-3560, 2001 Denn John Lane, Kissimmee, FL 34744
  • School website: djms.osceolaschools.net
  • Enrolling a student: Student Services, 407-870-4897; the district’s registration page
  • Which school is yours, and bus service: the district’s BusPlanner address search; Transportation Services, 407-483-3673
  • District main line: The School District of Osceola County, 407-870-4600
Address 2001 Denn John Lane, Kissimmee, FL 34744
Phone 407-935-3560
Grades 6-8
Principal Marc Hernandez
2026 state grade C (54% of points)
Students, 2024-25 809

Principal. Marc Hernandez is the principal, according to the school’s administration page.

Enrollment and teachers

  • Federal count: 809 students in the 2024-25 school year, with 44 full-time-equivalent classroom teachers, according to the NCES directory. That is about 18 students per teacher.
  • Grades served: grades 6 through 8.

State report card

Florida gave Denn John Middle a C in its 2026 school grades, released in July for the 2025-26 school year, with 54% of possible points. It earned a C in 2025 and a C in 2024, according to the Florida Department of Education’s 2026 school grades file. The school’s state report card has enrollment and test results by student group; it is an interactive dashboard that could not be read for this page.

2026 school grade measure Result
School grade C (54% of points)
English language arts achievement 39%
English language arts learning gains 50%
English learning gains, lowest-performing 25% 48%
Math achievement 39%
Math learning gains 59%
Math learning gains, lowest-performing 25% 54%
Science achievement 41%
Social studies achievement 68%
Middle school acceleration 84%

Florida grades schools A to F on the share of possible points earned across these measures. Achievement is the share of tested students on grade level; learning gains is the share who improved from the year before. For a middle school, A is 64% of possible points or more, B is 57% to 63%, C is 44% to 56% and D is 34% to 43%, the state’s file says.

Attendance zone and feeder schools

Zones do not follow city limits. We matched the City of Kissimmee’s residential parcels to the district’s 2026-27 zone map: about 12,300 homes inside the city, 36% of the total, are zoned for Denn John Middle, mostly in the Mill Slough area (about 3,290), the Lakeside area (about 2,840), the North John Young Parkway area (about 2,230), downtown (about 1,690), the Vine Street area (about 1,270) and the South John Young Parkway area (about 960). Check any address with the district’s BusPlanner search or its 2026-27 attendance zone map book (PDF).

Feeder schools. The district’s 2026-27 feeder patterns (PDF) list Central Avenue, Cypress, Highlands, Mill Creek, Partin Settlement, Pleasant Hill and Thacker Avenue elementaries as feeding Denn John Middle. From here, students go on to Gateway High and Osceola High, depending on the address, the high school list (PDF) shows.

Questions about zone lines go to the district’s Planning Services GIS team, 407-483-3671. A school other than the zoned one needs School Choice approval first; options are on myosceolachoice.school.

Calendar and bell times

From the district’s 2026-27 calendar (PDF), revised Sept. 8, 2026:

  • Monday, Oct. 12: student holiday (teacher workday or emergency make-up day)
  • Wednesday, Nov. 11: Veterans Day, no school
  • Friday, Nov. 20: early release
  • Nov. 23-27: Thanksgiving break
  • Dec. 21 to Jan. 1: winter break; classes resume Monday, Jan. 4

Bell times. Denn John Middle runs from 9:30 a.m. to 4:25 p.m., with a 3:25 p.m. dismissal on Wednesdays, and serves breakfast from 9 to 9:30 a.m., according to the district’s 2026-27 bell and breakfast times (PDF). The front office is open 8:30 a.m. to 5 p.m., the district directory says.

Sports and activities

The school’s sports page lists boys and girls soccer, cross country and volleyball in the fall; boys and girls basketball and cheerleading in the winter; and boys and girls flag football and track and field in the spring. The academics menu on the school’s website lists AVID, electives and National Junior Honor Society.

More on Kissimmee schools

Frequently asked questions

What grades does Denn John Middle School serve?

Denn John Middle serves grades 6 through 8. It is at 2001 Denn John Lane, Kissimmee, and its main line is 407-935-3560.

What is Denn John Middle School’s Florida school grade?

Denn John Middle earned a C in Florida’s 2026 school grades, with 54% of possible points. It earned a C in 2025 and a C in 2024.

Which high school does Denn John Middle School feed into?

Depending on the address, Gateway High and Osceola High, according to the district’s 2026-27 feeder patterns.

What time does Denn John Middle School start?

Classes run from 9:30 a.m. to 4:25 p.m., with a 3:25 p.m. dismissal on Wednesdays, according to the district’s 2026-27 bell times.