Half Day Preschool


Massachusetts Horticultural Society

Entirely outdoors, ages 2.9 through 6


Drop-off and pick-up are outdoors at Massachusetts Horticultural Society (MassHort), at 900 Washington Street in Wellesley.

We will spend our days in the forest and gardens.  The children are active participants in selecting which places we visit and how we explore them.  Click here for a video of the extraordinary gardens at MassHort.

Hours and Schedule

​9 am – 12 pm, Monday through Friday

We follow the Wellesley Public Schools calendar.

Daily Rhythm

9 a.m.: Drop-off 

--> Morning Circle

  • Greetings, song, seasonal events, and safety rules

--> Hike to an "adventure spot"

--> Emergent curriculum in nature

  • Play, guided exploration, nature walks, projects, etc.

12 p.m.: Pick-up


Annual tuition for 5 mornings/week:

$10,800 (10 monthly payments of $1,080)

Annual tuition for 3 mornings/week (Monday, Wednesday, Friday):

$7,500 (10 monthly payments of $750)

Annual tuition for 2 mornings/week (Tuesday, Thursdays):

$5000 (10 monthly payments of $500)

An enrollment fee of $200 is required to reserve your spot.

BOPN families are required to buy a MassHort membership at the "Individual" ($55) level or above by the first day of school.

Please inquire about scholarships for our Tuesday/Thursday class!

How to Apply

Please fill out this brief form to express interest!  Julia will reach out. (Julia is on vacation from July 26th - August 2nd.  Please email Sarah.Besse@bopn.org or call 917 692 6946 at that time).

To be eligible for our program, your child must be at least 2 years and 9 months of age by September 2.  If your child turns 2.9 during the school year and if there is a spot available at that time, we may be able to accept them.

Registration is complete and your child's spot is secured once we have received a completed enrollment packet and a non-refundable $200 enrollment fee.

Questions?  Please reach out to Julia at 617-637-0261 or Julia.Sappenfield@bopn.org.  You may also reach out to Sarah at 917 692 6946 or Sarah.Besse@bopn.org.

We look forward to getting to know you!

Please note that while BOPN has a friendly relationship with the Arboretum and MassHort, all are separate organizations and the Arboretum or MassHort are not involved with organizing or operating BOPN's programs.

Nondiscrimination statement:

Boston Outdoor Preschool Network admits students of any race to all the rights, privileges, programs, and activities generally accorded or made available to students at BOPN and does not discriminate on the basis of race in administration of its educational policies, admissions policies, scholarship programs, and other school-administered programs.