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An Independent School in Littleton, MA serving Students Ages 15 Months–Grade 8

Accepting Applications for the 2025-2026 school year — Click here to get started.

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Recurring

Monday Morning Meeting

Parents are always invited to join Children's House through Middle School students for this gathering that includes announcements, songs, and sometimes an informal presentation or performance. Specific programming will be...

XC AWAY v. Wellan Montessori

Wellan Field - Newton 70 Paul St, Newton, MA, United States

Students will return to OMMS around 5:30pm.

Recurring

Open Art Studio

Every Wednesday 8:30-10:00am Every Wednesday, Art teacher Catherine Karp hosts Open Art Studio for parents and friends of the OMS Community to work on a self-guided art project in the...

Recurring

Open Art Studio

Every Wednesday 8:30-10:00am Every Wednesday, Art teacher Catherine Karp hosts Open Art Studio for parents and friends of the OMS Community to work on a self-guided art project in the...

Field Day

Field Day is always a really exciting day of fun and laughter for students in all program levels. In addition to a variety of games, there will be a few...