Addison Mizner School, 199 SW 12th Ave.: grades K-8, 1,176 students on the district's Aug. 24 count and an A in Florida's 2026 grades.

Last checked Oct. 8, 2026. Sources: the school’s website, the School District of Palm Beach County’s Schools & Principals list, feeder reports and start times, the Florida Department of Education’s 2026 school grades file and the federal NCES school directory.

Addison Mizner School is a School District of Palm Beach County school for kindergarten through eighth grade on SW 12th Avenue, inside Boca Raton city limits according to the district’s municipal boundary map. The district’s school information calls it “a true community school and gifted center in Boca Raton.” The mascot is the Marlin and the school colors are blue and white; the school opened in 1966, and the district lists uniforms as required.

Who to call
Address 199 SW 12th Ave., Boca Raton, FL 33486
Phone 561-362-3100
Grades Kindergarten to 8
School day 8 a.m. to 2:05 p.m.
District School District of Palm Beach County

Principal

Principal Nancy Holly, according to the district’s Schools & Principals list, which the school’s website links from its menu.

Enrollment and teachers

  • District count: 1,176 students on the 11th day of the 2026-27 school year (Aug. 24, 2026), in a building the district rates for 1,177, or 100% full, according to its 11th Day Enrollment Report.
  • Federal count: 1,185 students in the 2023-24 school year, with 72 full-time-equivalent teachers, according to the NCES directory. That works out to about 16 students per teacher.

State report card

Florida grades every public school A to F. A school’s grade is the share of possible points it earns on state test results and students’ learning gains; a school with middle grades also earns points when students pass high school courses or industry certifications. Florida grades Addison Mizner as a combination school, and the state’s 2026 file sets an A for those at 65% of points or more.

School year Grade
2025-26 A (84% of possible points)
2024-25 A
2023-24 A

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: 89% (third grade: 85%)
  • Math: 89%
  • Science: 83%
  • Social studies: 99%
  • Learning gains: 77% in English language arts and 68% in math
  • Middle school acceleration: 99%

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 map or the Addison Mizner zone map (PDF). In the district’s boundary map, nearly all of the zone lies inside Boca Raton city limits. Our neighborhood guides to Boca Raton Square, Camino Gardens, Old Floresta and Royal Oak Hills are zoned for Addison Mizner, and Country Club Village is split between Addison Mizner and J.C. Mitchell.

The zone applies to kindergarten through fifth grade. The district’s elementary zone maps page says grades 6 to 8 at Addison Mizner do not have an attendance area, and admission to those grades is by choice application. The district’s 2026-27 elementary to middle feeder report places all seven Addison Mizner planning areas in the Boca Raton Community Middle and Boca Raton Community High zones.

No rezoning that affects the school has been approved. The School Board’s only boundary change for 2026-27, Boundary Study RB-1, adopted March 11, 2026, covers schools in the Riviera Beach area, according to the district’s enrollment and boundaries page.

Calendar and bell times

From the district’s 2026-27 key dates:

  • Monday, Oct. 12: no school for students
  • Tuesday, Nov. 3: no school for students
  • Wednesday, Nov. 11: fall holiday
  • Nov. 23-27: Thanksgiving break
  • Dec. 21 to Jan. 1, 2027: winter break

The district’s start and end times list the school day as 8 a.m. to 2:05 p.m.

Programs

The district’s 2026-27 Choice and In-House Programs guide (PDF) lists a Pre-Business/Information Technology choice program in Addison Mizner’s middle grades. Choice programs take applications through the district’s school choice office.

More on Boca Raton schools

Frequently asked questions

What grades does Addison Mizner School serve?

Kindergarten through eighth grade, according to the School District of Palm Beach County. Kindergarten to fifth grade are zoned; the district says sixth to eighth grade admit by choice application. The school is at 199 SW 12th Ave.

What is Addison Mizner School’s school grade?

Addison Mizner earned an A in Florida’s 2026 school grades, with 84% of possible points. It also earned an A in 2025 and 2024.

Which high school does Addison Mizner School feed into?

Boca Raton Community High. The district’s 2026-27 feeder reports place every Addison Mizner planning area in the Boca Raton Community Middle and Boca Raton Community High zones.

What time does Addison Mizner School start?

The district lists the school day as 8 a.m. to 2:05 p.m.