Mill Creek Elementary, 1700 Mill Slough Road, Kissimmee: grades pre-K to 5, 610 students (2024-25), a B in 2026 state grades. 407-935-3660.

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.

Mill Creek Elementary School is a School District of Osceola County elementary school at 1700 Mill Slough Road, inside Kissimmee city limits. In the district’s 2026-27 zones, about 3,770 of the 34,091 homes inside the city, 11%, are zoned for it.

Who to call

  • Front office: 407-935-3660, 1700 Mill Slough Road, Kissimmee, FL 34744
  • School website: mces.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 1700 Mill Slough Road, Kissimmee, FL 34744
Phone 407-935-3660
Grades Pre-K to 5
Principal Seth Daub
2026 state grade B (55% of points)
Students, 2024-25 610

Principal. Seth Daub is the principal, according to the school’s administration page.

Enrollment and teachers

  • Federal count: 610 students in the 2024-25 school year, with 36 full-time-equivalent classroom teachers, according to the NCES directory. That is about 17 students per teacher.
  • Grades served: pre-K through fifth grade.

State report card

Florida gave Mill Creek Elementary a B in its 2026 school grades, released in July for the 2025-26 school year, with 55% 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 B (55% of points)
English language arts achievement 47%
English language arts learning gains 54%
English learning gains, lowest-performing 25% 55%
Third grade English language arts achievement 58%
Math achievement 56%
Math learning gains 67%
Math learning gains, lowest-performing 25% 67%
Science achievement 38%

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 an elementary school, A is 62% of possible points or more, B is 54% to 61%, C is 41% to 53% and D is 32% to 40%, 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 3,770 homes inside the city, 11% of the total, are zoned for Mill Creek Elementary, mostly in the Mill Slough area (about 3,290) and the Vine Street area (about 480). Check any address with the district’s BusPlanner search or its 2026-27 attendance zone map book (PDF).

Where students go next. The district’s 2026-27 feeder patterns (PDF) send Mill Creek Elementary students to Denn John Middle, and the high school list (PDF) links its zone to Gateway High and Osceola High.

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. Mill Creek Elementary runs from 8:20 a.m. to 3:15 p.m., with a 2:15 p.m. dismissal on Wednesdays, and serves breakfast from 7:50 to 8:20 a.m., according to the district’s 2026-27 bell and breakfast times (PDF). The front office is open 7:30 a.m. to 4 p.m., the district directory says.

More on Kissimmee schools

Frequently asked questions

What grades does Mill Creek Elementary School serve?

Mill Creek Elementary serves pre-K through fifth grade. It is at 1700 Mill Slough Road, Kissimmee, and its main line is 407-935-3660.

What is Mill Creek Elementary School’s Florida school grade?

Mill Creek Elementary earned a B in Florida’s 2026 school grades, with 55% of possible points. It earned a C in 2025 and a C in 2024.

Which high school does Mill Creek Elementary School feed into?

Its zone feeds Gateway High and Osceola High, depending on the address, according to the district’s 2026-27 feeder patterns.

What time does Mill Creek Elementary School start?

Classes run from 8:20 a.m. to 3:15 p.m., with a 2:15 p.m. dismissal on Wednesdays, according to the district’s 2026-27 bell times.