Welcome to the Open Classroom!

The Open Classroom is a parent-cooperative, multi-age public-school elementary program located in San Geronimo, Marin County, California.Along with a public Montessori program and a progressive Middle School program , it is part of the Lagunitas School District.

Here are just a few ways our program stands out:

The Art Room is an integral part of the Open Classroom, with children K-6th passing through on a daily basis. From morning to lunch time the room can be filled with bustling activity, open-ended projects with recyclable material, wood, paper or fabric as well as projects being taught by the art teachers (Kristy Arroyo 3x week and Molly Edwards 1x week) and parent volunteers covering curriculum standards in color theory, drawing, printmaking, ceramics, crafts, textiles, collage and painting. The Open Classroom teachers also collaborate closely with the art room staff and volunteers and utilize the art room for whole group activities such as theater, fundraising events, presentations and class lessons (history, science and language arts). The 5th and 6th graders are given advanced art instruction once a week and involve the art teacher as a resource for materials and support with major projects.  See the Art Room Blog to learn more

“As an Open Classroom dad, I can’t express how valuable co-oping has become to my family.  Lisa and I know all of the teachers, most of the staff, many of the parents and all of our daughter’s peers.  We see first hand where our daughter excels and where she needs help. We see how she connects socially with students, teachers and other parents.  Most importantly, the line between home life and school is very blurred so learning and play, fun and work occur naturally throughout every day. ” – James S

GardenHands-on time in the garden and barnyard gives our kids a tangible connection to the environment.  Learning about natural cycles of growth and decay, taking care of chickens and rabbits, growing food then preparing it to share with others adds another dimension to the classroom education.

Gabi works movement magic with all of our students in small groups.  Combining sensory integration theory, ideas from occupational therapy, fun and play, Open Classroom kids get much more than just “P.E.”.  Movement is part of the everyday experience in our program and it ties into emotional, social and academic development.  What does movement look like? Some days it’s bouncing on a trampoline, other days it’s trapeze, maybe tossing balls around… it often takes different shapes, but is always awesome.

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Comments, Contributions, Concerns….

This website is administered by James, an open classroom dad. If you want to contact him about anything on this site please

Recent News

Just in time for Halloween…

lagunitasopenclassroom.com is being resurrected! You can find the school's web page for Open Classroom at http://lagunitas.org/open This site will soon be used for communications for the Open Classroom parent group and for fundraising. More to come soon!

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Staff appreciation luncheon

We need at least one more person to sign up to clean up at 1pm, and we need lots more deserts! Thanks a million, the staff really appreciate being appreciated 🙂 Nothing like a home baked treat to show someone you care! Please show your love to our Lagunitas Staff by...

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End of year Potluck and Packing Party

END OF YEAR POTLUCK & PACKING PARTY Wednesday June 3, 2015 As everyone knows the classrooms need to be packed up for the renovations. For those of you that have a flexible schedule please come and join in the packing part of the party. You can help your teacher in...

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Marlene: Field trip

If you are driving on my field trip Thursday please come to school with your child at 8:45. We all have to check in at Fairyland at the same time in order to get the school discount. The weather is supposed to be cool so children should dress for it. Looking forward...

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