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ACDS opened their very first preschool in Westchester in September 2016 to meet the need for high quality early childhood services in Westchester County. Since our opening we have grown from 24 students to 160.

ACDS WESTCHESTER – Preschool Services:

Our Westchester full-day preschool program is designed to individually meet the needs of our students. Our curriculum encompasses a full behavior analysist approach using a play-based and/or naturalistic environment teaching (NET) model. Research shows that the principals and methods of behavior analysis have been applied effectively in many circumstances to develop a wide range of skills in learners with and without disabilities. A “best practice” approach is used to ensure each student is receiving a level of education that they currently need. Additionally our setting allows for optimal learning by including SMART Boards, a large sensory play space, age appropriate classroom layouts and a state of the art playground. In addition, we have a PBIS program for the school as a whole, and in each of our classrooms, as well as a full time Board Certified Behavior Analyst.

  • In addition to our rich preschool curriculum, each student receives related services (speech, OT, PT, counseling, and parent counseling and training as per their Individualized Education Program.
  • The program offers a full sensory gym and a Merlin’s Magical Space through a collaboration with Merlin’s Magic Wand Foundation and LEGOLAND Discovery Center Westchester. This stunning room was designed for the development of age appropriate fine motor skills.
  • Enrichment programs such as Music and Art Therapy are provided as part of our preschool program.
  • We have a comprehensive parent training program (open to all parents). This includes an evidence based Mindfulness Based Stress Reduction (“MSBR”) group, specifically geared to the particular needs of being a preschool parent.

To schedule a tour of our preschool, please contact Cristina Sarmiento (


We are a full service preschool evaluation site with expert staff who can provide Psychological, Psychosocial, Speech, Occupational, and Physical Therapy Evaluations. To schedule an evaluation please contact Julissa Padilla (

ACDS WESTCHESTER –Related Services

We provide related services for preschool students from throughout Westchester who do not attend our school on site at our state of the art facility. These include OT and PT in our sensory gym, Speech, counseling for preschool students and parent training and counseling for their parents. For more information please contact Sheryl Frishman (


ACDS Westchester
963 Scarsdale Road
Scarsdale NY 10583

Richard Scotti, M.S., SDA
Site Director

Jessica Elmendorf, M.S., Ed., SBL

Sheryl Frishman, JD, LMSW
Clinical Supervisor

Amanda McKiernan, M. Ed., BCBA, LBA
Board Certified Behavior Analyst

Joaquin Basso-Smith
Human Resources

Cristina Sarmiento
Intake Coordinator

Julissa Padilla
Evaluation Coordinator


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