Mark Day School Summer Programs

Mark Day School Summer Programs includes Summer Tinkering, Mountain Camp Marin, and Early Learners. Summer Tinkering runs for 4 weeks from June 22 to July 17 for ages 7 to 13, Mountain Camp Marin runs for 7 weeks from June 15 to July 31 for rising K to 8, and Early Learners runs for 4 weeks from June 15 to July 10 for incoming Mark Day School kindergartners only.

Programs

• Summer Tinkering — Ages 7 - 13, varies by week · 9:00am - 3:00pm · $700 per week · 4 weeks: June 22 - July 17; lead instructors: David St. Martin & Tatian Greenleaf; fee assistance available
• Mountain Camp Marin — Rising K - 8 · 9:00am - 3:00pm (K-1) / 9:00am-4:00pm (G2-G8) · $750 per week · 7 weeks: June 15 - July 31; camp director: Mario Del Cueto; Mark Day School family discounts available
• Early Learners — Incoming Mark Day School Kindergartners only · 9:00am - 3:00pm · $360 per week · 4 weeks: June 15 - July 10; lead instructor: Lisa Becker; registration limited to incoming Mark Day School Kindergarten families only

At a glance

• Ages: 5–16 years old
• Price range: $360–$750 per week

About the provider

For more than 20 years, Mark Day School has offered a summer program specifically designed for incoming Kindergarteners. The lead instructors for Summer Tinkering are David St. Martin and Tatian Greenleaf, the camp director for Mountain Camp Marin is Mario Del Cueto, and the lead instructor for Early Learners is Lisa Becker. Questions are directed to Savannah Guinn, Director of Extended Day and Summer Programs.

Register here (beginning January 31, 2026 at 9:00am). Registration will be open April 15. Registration limited to incoming Mark Day School Kindergarten families only.

Last updated September 18, 2026.