Birchtree is a nonprofit organization that promotes inclusion, independence, and holistic growth for individuals with autism and other diverse abilities.
We are experts in using the principles of applied behavior analysis (ABA) to change behavior and transform lives. We serve individuals, schools, families, and communities across New England. Birchtree has been transforming lives since 2002.
Intensive Year-Round ABA Instruction
Our year-round day school in Portsmouth, NH, serves students with autism in grades preK-12.
Bringing Birchtree's Behavior Expertise to You
Birchtree’s behavior experts travel to help individuals succeed in public schools, at home, and in their communities.
Upcoming Events
27th Annual Flutie 5K for Autism
2026 Benefit for Learning Auction
2026 Seacoast Rotary Turkey Trot 5k
News & Updates
Congratulations Sandra!
Supporter Shout-Out: The Kane Company
Supporter Shout-Out: Partners Bank
Our Nonprofit’s Mission
Birchtree (formerly known as The Birchtree Center) supports individuals with autism and other diverse abilities by providing personalized education and outreach programs that promote inclusion, independence, and holistic growth.
How You Can Help
Birchtree is a nonprofit organization that depends on support from friends like you!
You can join our staff team, volunteer, attend our fundraising events, and donate to our nonprofit. Thank you for being part of our work building full and productive lives for individuals in our community.
Thanks to Our Lead Sponsors & Supporters
