The Yorktown Central School District has many active community groups who contribute to the excellence of our schools.Each school has an active Parent Teacher Association and there is a Special Education PTA (SEPTA). Representatives from each PTA make up the PTA Council, which helps coordinate activites between schools and provides a forum for the sharing of ideas and concerns.

The Enrichment Center offers after-school programs for students in grades K-5. There is also a morning and afternoon program for children in K.

The First Nighters is organized to support and encourage programs in the performing arts and to provide cultural enrichment for students in all of the schools in the district. The First Nighters sponsor a Performing Arts Recognition Awards Night, and also recognize outstanding seniors at Senior Awards Night.

The Science Research Foundation for Yorktown High School Students is a new organization whose goal is to provide support for students who participate in the Science Research Class. The Foundation plans to provide in-school seminars and informal mentoring opportunites, help to defray ancillary costs of the program, create mentor and alumni databases, and champion the program in the community and beyond.

The mission of The Foundation for Excellence in Yorktown Education is to fund or seek funding for innovative, supplementary and enriching educational programs which benefit children in the Yorktown Central School District which would not otherwise be funded due to budgetary constraints.

The Yorktown Huskers Sports Club, Inc. ("The Huskers") comprises parents and other supporters of the student-athletes and the athletic programs of Yorktown High School. The Huskers Club supports all sports teams of Yorktown High School, not any one specific sport.