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Green Tree School & Services’ number is 190. Please write it down and keep it handy.


Green Tree School & Services is currently hiring Educational and Behavioral Health staff. Please click here to view a list of open positions!

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Green Tree School & Services (GTSS) has relocated into its new building.

Check out the photos and stories of how it all happened.





Welcome to Green Tree School & Services

Green Tree School & Services (GTSS) is a nonprofit, state-licensed agency that operates an Approved Private School, and provides on-site and community based Outpatient Services, Behavioral Health Rehabilitation Services and School Therapeutic Services for children and young adults, ages 5-21, classified with Autism Spectrum Disorder, Emotional and Behavioral Disorders and Developmental Delays.

GTSS’ philosophy is rooted in the belief that regardless of their unique challenges and abilities, every child and young adult should have the opportunity to learn the academic, social, emotional, and vocational and life skills they need to achieve resiliency and succeed in their learning, living and working environments. GTSS has worked with children and young adults with special needs since 1957, marking over a half century of Transforming Lives and Impacting Communities.

Please note: Green Tree School & Services is open for admissions and referrals.
Please contact Adria Bickel to learn more about the Approved Private School.
Please contact Joanna Hall to learn more about Behavioral Health Services.



Jump-A-Thon at Oaks Sky Zone Indoor Trampoline Park Raises $10,000 for Green Tree School & Services

Green Tree School & Services (GTSS) held a Jump-A-Thon on Saturday, April 18 at Sky Zone Indoor Trampoline Park in Oaks, Pennsylvania.   This fun event provided an opportunity for the whole family to participate, including students, family members and staff.  The photographs really tell the story of the day.  Participants jumped, bounced, and flipped at this popular play and exercise center that is filled with trampolines to show their support for GTSS. After the jumping was over, participants and volunteers enjoyed lunch together. Just under 100 family and staff members jumped that day and 32 guests attended to cheer them on.





On Wednesday, April 15, 2015 the Green Tree School & Services Cougars won their first playoff game over Chester County Intermediate Unit, making it to the championship game.  They will play again for their chance at the title on Wednesday, April 29th at 11:00 AM at Green Tree against either The County Alternative School or Wordsworth.  GTSS finished the regular season in first place with a stellar record of 11 wins, 4 losses and 1 tie.  As a member of the newly created Alternative Basketball League, Green Tree School & Services competes against other schools throughout the Greater Philadelphia area. 


talent show


Student Performances Were Augmented by Art Project Displays
Celebrating World Autism Awareness Month

Green Tree School & Services (GTSS) held its yearly Talent Show on Friday, April 10 before an enthusiastic audience comprised of fellow students, staff and parents. The program, under the creative direction of music therapist Lauren Gagliardi, MA, MT-BC, showcased the outstanding and diverse talent of GTSS students.

View more photos of the talent show.


autism event


Musicopia Performance at Green Tree School & Services

Early Reach Initiative Parent Presentation

On Tuesday, March 17, Green Tree School & Services, an agency for children with unique challenges and abilities, presented Musicopia, whose mission is to bring music performance and education to students and communities throughout Philadelphia. This Musicopia performance by students from the emotional support and autistic support programs at GTSS was supported by the Stephen and Julia Harmelin Fund for the Arts and Creative Expression. This year, a group named Minas has led a seven week residency at GTSS that concluded with this performance by the students. Learn more here


reading hawks

GTSS Reading Olympics Team, from L-R - (Back) Kim Harvey, Lower School WIN (“What I Need”) teacher; Courtney Hahn, reading specialist; (Front) GTSS students Ty’Jon, Justin, Jalynn, and Nicholas (goes by Nick), and Emily Baker, reading specialist.


The “Green Tree Reading Hawks” are getting ready to compete in the Philadelphia Reading Olympics! The Philadelphia Reading Olympics is a city-wide collaborative reading competition coordinated by PHILADELPHIA READS, the Free Library of Philadelphia, the School District of Philadelphia, the Archdiocese, and the City of Philadelphia. The Reading Olympics engages fourth through eighth graders from Philadelphia’s public, parochial, charter, independent and after school programs in a reading competition. Learn more here.


students give backGreen Tree School & Services’ Students
Give Back and are Featured on FOX 29 News

Fox 29 came to Green Tree School & Services last December to do a story about how GTSS students were giving back to the community. 

Watch it here and subscribe to the GTSS Youtube page today!



usa mental health

Youth Mental Health First Aid: Green Tree School & Services Partners with Healthy Minds Philly in June, 2015 for a Two-Day Conference

Green Tree School & Services is partnering with Healthy Minds Philly to host a training program designed to help family members in crisis. “Youth Mental Health First Aid” is scheduled in two half-day sessions on Wednesday, June 3rd and continues on Thursday, June 18th with both sessions from 1:00 p.m. -- 4:30 p.m. Learn more here.


Philadelphia Autism Project Final Report is Released

lisa wood

Lisa Wood, Director of Education,
Head of School

Councilman Dennis O'Brien held a hearing in the Disabled and Special Needs Committee and released the Philadelphia Autism Project Final Report on February 2. The hearing provided a snapshot of the project and plans for implementation to City Council members and staffers, stakeholders who participated in the project, as well as to the general public.

This is of special interest to the entire special needs community, including staff at Green Tree School & Services. Both Lisa Wood, director of education, head of school, and Rosemarie Manfredi, Psy. D., PA licensed psychologist, serve on the taskforce for this committee and Dr. Manfredi helped to draft the report. Learn more here.





AS 2014 TOP-RATED NONPROFIT Award is based on Positive Online Reviews

great non-profits

Green Tree School & Services has announced that it has been honored with a prestigious 2014 Top-Rated Award by GreatNonprofits, the leading provider of user reviews about nonprofit organizations. The Top-Rated Nonprofit award was based on the large number of positive reviews that GTSS received, including those written by volunteers, donors and clients.

“We are excited to be named a Top-Rated 2014 Nonprofit,” says Patricia D. Wellenbach, Green Tree School & Services’ CEO. “It has been a game changing year for us, and the move into our new space on Washington Avenue has meant so much to the children and young adults with unique challenges and abilities at GTSS that we serve. We are proud of the services we have provided on-site at the school, but also for all of our off-site programs in the schools, community and homes that actually make up largest part of our business. Our Behavioral Health, Outpatient Services and Diagnostic Programs continue to grow and the comments we receive on websites like Great Nonprofits are another indication that the high quality of these programs is being recognized by others.”

“Savvy donors want to see the impact of their donations more than ever,” said Perla Ni, CEO of GreatNonprofits. “People with direct experience with Green Tree School & Services have voted that the organization is making a real difference.” The reviews by volunteers, clients and other donors show the on-the-ground results of Green Tree School & Services. This award is a form of recognition by the community.

GreatNonprofits is the leading site for donors and volunteers to find reviews and ratings of nonprofits. Reviews on the site influence 30 million donation decisions a year. Visit for more information. Great Nonprofits aims to inspire and inform donors and volunteers, enable nonprofits to show their impact, and promote greater feedback and transparency.

GTSS has a brand new Fall Newsletter!

Read about the Lasting Legacy Award dinner, the Playground Opening, Musicopia and Learn What is
New and Coming Soon.

fall 2014 newsletter



Give to Green Tree School & Services through United Way

Green Tree School & Services welcomes gifts made through all area United Ways. Please write GTSS’s number in the “designated agency” box when asked to choose a favorite charity:
#321 for United Way of Southeastern Pennsylvania (SEPA).
                                       Thank You!