The Union Free School District is the joint public school system serving Sleepy Hollow and Tarrytown's approximately 2,500 students. The district is in charge of running six schools that span the grade levels of PK - 12. It has over 170 professional teachers and an average class size of about 22.

The Union Free School District is characterized by a culturally diverse student population. Approximately 23 percent of the district's students are learning English as a Second Language.

The Superintendent of district is Dr. Howard Smith. According to Smith, what makes the Union Free School District of the Tarrytown so unique is the personalization of education and the outreach to students.