United Synagogue Day School (USDS) is a private elementary (Junior Kindergarten to Grade 5) and middle school (Grade 6 to Grade 8) Jewish day school in Toronto, Ontario.
Founded in 1957 as the Foundation Day School at the Beth Tzedec Synagogue, it was renamed United Synagogue Day School in 1961. One of the largest Conservative Judaism schools in the Solomon Schechter Day School Association, USDS has an enrollment of about 900 students in two campuses. It is the second largest Jewish elementary day school affiliated with Toronto's UJA Federation Board of Jewish Education and is one of the largest feeder schools for the Community Hebrew Academy of Toronto. 
- ↑ "Vacancies for Senior Administrative Positions". Solomon Schechter Day School Association. http://www.ssdsa.org/?page=careers. Retrieved 2007-01-16.
- ↑ "Enrolment down at Toronto day schools". Canadian Jewish News. http://www.cjnews.com/viewarticle.asp?id=4670. Retrieved 2007-01-16.