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MIHS Summer School

We are preparing for an exciting learning and enrichment experience for our high school students this summer.  
 
The MIHS Summer School Program is a tuition-based service of the Mercer Island School District and is not part of "basic education funding." This summer, MIHS Summer School will be held in-person as weekly meetings or daily classes depending on the courses. 
 
A student must be in the Class of 2025, 2026, 2027, 2028, or 2029 to participate in Summer School 2025. Priority is given first to graduating seniors, then to incoming seniors. Summer School is intended to close learning gaps and provide opportunities for students to earn credits necessary for graduation. Summer School is not intended for students to “get ahead." 
 
Important details are provided in the Summer School Registration Form so please pay careful attention while completing it. 
 
  • MIHS Summer School Registration Form opens May 7, 2025, and closes June 18, 2025.

Click here for the Summer School Registration Form

Click here for the NEW DIGITAL Course Catalog

MIHS Summer School Dates: 
June 23-July 31, 2025 (Tue, Wed, Thu)

MIHS Summer School Location:
Crest Learning Center

MIHS Summer School Costs:
$425 per course
$750 per online course
**Students who do not complete their online courses in the required time during the regular academic school year may be eligible to complete the course during Summer School; however, the $425 per course fee for staff time will apply.**
Students may only enroll in two semester-long courses during summer school. We do not offer year-long courses. 

Questions? Email summerschool@mercerislandschools.org