Competitive Salary Signing Bonus. . Miss Marty’s Preschool, a Mayor's Office of Education PHL-PREK Provider, and Keystone Stars 4 Child Care Center is seeking an Assistant Preschool Teacher. . We are seeking an experienced, highly qualified Assistant teacher for our Preschool program. If you are passionate about providing a safe and nurturing academic environment for children that encourages their social, emotional, physical, and intellectual dev...