St. Peter’s by the Sea Presbyterian Church. Position Title: ASSISTANT TEACHER, PRESCHOOL. Purpose of Ministry. The Preschool provides a Christian-based educational and nurturing center for the surrounding communities for pre-school aged children. Accountable to. Director of the Preschool. JOB SUMMARY. . The Preschool Assistant Teacher is to assist the lead teacher with being responsible for the children, classroom instruction and activities at th...