South Miami Senior High, 6856 SW 53rd St.: grades 9-12, 1,611 students (NCES 2024-25), a B in Florida's 2026 grades.

Last checked Oct. 10, 2026. Sources: the Miami-Dade County Public Schools school directory, the South Miami Senior High website, the Florida Department of Education’s 2026 school grades file, the federal NCES school directory, Miami-Dade County’s attendance boundary maps and address points and the FHSAA.

South Miami Senior High is at 6856 SW 53rd St., outside Miami city limits; the district lists its city as Miami-Dade. Its zone reaches into Miami’s western edge: about 8% of the city’s address points, in Flagami north of SW Eighth Street in the 33144 and 33126 ZIP codes, are zoned for it. It earned a B in 2026.

Who to call

  • Front office: 305-666-5871, 6856 SW 53rd St., Miami-Dade, FL 33155
  • School website: southmiamiseniorhigh.org
  • Enrolling: register in person at the school assigned to your address; the district’s registration guide (PDF) lists what to bring
  • Magnet and choice questions: the district’s School Choice and Parental Options office, 305-995-1922
  • School buses: the district’s transportation department
  • District main line: Miami-Dade County Public Schools, 305-995-1000
Address 6856 SW 53rd St., Miami-Dade, FL 33155
Phone 305-666-5871
Grades 9 to 12
Mascot Cobra
Type Neighborhood school
State school number 13-7721

Principal

Principal Hebert Penton, according to the district’s school directory and the school’s website.

Enrollment

The federal NCES directory counted 1,611 students in the 2024-25 school year, with 75 full-time-equivalent classroom teachers, a ratio of 21.5 students per teacher. The district’s online directory currently lists 1,343 students against a capacity of 2,334; it does not give a date for that count.

Magnet programs

The school’s website describes a Magnet School for the Arts, with its own magnet application and magnet transportation, and an AICE Cambridge program that students apply to.

State report card

Florida grades every public school A to F. The state says school grades “provide an easily understandable way to measure the performance of a school,” in its 2026 school grades overview.

School year Grade
2025-26 B (64% of possible points)
2024-25 B
2023-24 B

From the 2026 grades file, where achievement is the share of tested students at grade level or above:

  • English language arts achievement: 52%
  • Math achievement: 42%
  • Science achievement: 55%
  • Social studies achievement: 69%
  • Four-year graduation rate (2024-25): 95%
  • College and career acceleration (2024-25): 96%

The full report card is on the state’s Florida school report cards site.

Attendance zone

The district’s directory describes the zone this way. From SW Eighth Street and SW 49th Avenue, the line runs west to SW 57th Avenue, south to SW 64th Street, west to SW 59th Avenue, south to Snapper Creek (approximately SW 88th Street), west to U.S. 1, southwest to Palmetto Expressway (826 southbound), north to SW 88th Street, west to SW 82nd Avenue, north to SW 68th Street, west to SW 83rd Avenue, north to SW 66th Street, west to SW 84th Avenue, north to Seaboard Railroad, northeast to SW 56th Street, west to SW 82nd Avenue, north to SW 48th Street, east to Palmetto Expressway (State Road 826), north to Dolphin Expressway (State Road 836), east to SW 49th Avenue, south to SW Eighth Street, and back to the starting point. The directory dates the zone to the 1992-93 school year.

In Miami-Dade County’s high school attendance boundary map, 5,988 of the city’s 77,214 address points, about 7.8%, fall in its zone.

Schools the district’s directory places in the South Miami Senior High feeder pattern:

  • Middle schools: South Miami Middle and West Miami Middle
  • Elementary and K-8 schools: Coral Terrace Elementary, David Fairchild Elementary, Emerson Elementary, Flagami Elementary, Ludlam Elementary, South Miami K-8 Center and Sylvania Heights Elementary

Check any address with the district’s Find Your Neighborhood School lookup.

Calendar and bell times

Classes run from 7:20 a.m. to 2:20 p.m., according to the district’s directory.

Next breaks on the district’s 2026-27 calendar (PDF):

  • Friday, Oct. 16: end of the first grading period
  • Tuesday, Nov. 3: teacher planning day, no students
  • Wednesday, Nov. 11: Veterans Day, schools closed
  • Nov. 26-27: Thanksgiving holiday and recess day
  • Dec. 21 to Jan. 1: winter recess

Sports and activities

The FHSAA lists South Miami as an independent football program for 2026-27, outside the class and region alignment, in its classifications. The school’s athletics page lists baseball, bowling, boys and girls basketball, boys and girls soccer, football, girls flag football, girls volleyball, golf, softball, swimming, tennis, track and field and wrestling. For game nights, see our Friday night football page and the scoreboard.

More on Miami schools

Frequently asked questions

What grades does South Miami Senior High serve?

Grades 9 through 12, at 6856 SW 53rd St., Miami-Dade.

What is South Miami Senior High’s school grade?

It earned a B in Florida’s 2026 school grades for the 2025-26 school year, with 64% of possible points, after a B in 2025.

What time does South Miami Senior High start?

Classes run from 7:20 a.m. to 2:20 p.m., according to the district’s school directory.