"Parent University seeks to educate and empower all families from early childhood through adulthood, with free courses, resources, events, and activities" according to the NYC DOE. Parents can register for free trainings on a wide range of topics, including adult education, student social-emotional learning, and special education.
Free trainings on a range of topics are available online. More details are at Parent University.
Parent University is a collaboration between the DOE's Office of Family and Community Empowerment (FACE) and the Division of Instructional and Information Technology (DIIT).
