This week, MCSD kicks off Start With Hello Week, a powerful initiative that teaches students how small, intentional actions can create big waves of inclusion and belonging. Start...

Marathon High School students joined schools, colleges and universities across the country this week in honoring the lives lost during the terrorist attacks of September 11, 2001....

Sixth-grade scientists at Marathon High School put their knowledge to the test this week with a hands-on investigation of density. Students wrapped up their density review by comp...

Marathon High School students packed the courtyard during lunch on Sept. 11 for the school’s annual Club Rush, getting a firsthand look at the many ways to get involved at MHS. Fr...

Marathon High School students joined a worldwide effort to raise awareness about suicide prevention on Sept. 10 as Champions for Change partnered with Guidance Care Center, Inc. t...

Take Stock Monroe Scholarship Applications are now open until September 15, 2026. Apply today if you are eligible and share this post with your friends to spread the word! https:...

2026 Hispanic Heritage Month Student Contests Now Open The Florida Department of Education and Volunteer Florida invite students across the state to participate in the 2026 His...

Congratulations to our Florida Positive Behavioral Interventions and Supports (FLPBIS) Model Schools! We are so proud of the efforts you have made to achieve this state recognitio...

Our first home match at the Florida Keys Country Club did not disappoint! Sophomore Emmett Merryman and Senior Roco Piscetello battled it out for a 2nd place finish each netting...

As part of our efforts to become a designated Purple Star School, MMHS is collecting photographs and information about veterans and active-duty military members connected to our s...

Marathon High School seniors made a grand entrance on their final first day — sprinting in with their traditional run, huddle, and class photo after a beautiful sunrise breakfast ...

As students and staff begin a new school year, Monroe County School District continues its commitment to maintaining safe, secure, and supportive learning environments across al...

MCSD Professional Learning Day in Marathon was bursting with energy today — the kind of energy that reminds you exactly why Monroe County School District is such a special place. ...

Five Marathon High School Champions for Change members and youth leaders had the opportunity to attend CADCA’s Mid-Year Prevention Training Institute this summer in Orlando. This ...

Marathon High School's Student Government Association kicked off the 2026-2027 school year with an engaging leadership pre planning session designed to bring students together, st...

Keys Federal Credit Union presented Principal Christine Paul with a check for $1584.76 this week for Q2 as part of the Dolphin Pride Free Cash Back program. Thank you to KFCU and...

Marathon High School is celebrating the accomplishments of 2026 graduate Adriana Calvo, who was selected as the 2026 Youth Speaker for the opening general session of the CADCA Mid...

Congratulations to Adriana Calvo and Our MHS Champions for Change! Adriana Calvo, a Marathon High School Class of 2026 graduate, MHS Champions for Change member, and Monroe C...

Marathon High School is proud to announce another year of growth and achievement in its Advanced Placement (AP) program, reflecting the school's continued commitment to expanding ...

We’re proud to announce that our school earned a B school grade for the year! This accomplishment reflects the hard work and dedication of our students, teachers, staff, families,...