Description. Title. Assistant Teacher. FLSA Determination: Part-Time, Non-Exempt. Accountability: St. Mark Catholic Preschool Director. Ministry/Dept: Preschool. SUMMARY OF POSITION. To execute a daily program in line with St. Mark Catholic Preschool goals and beliefs for children age 18. months through 5 years old. PURPOSE. To provide a nurturing Catholic environment that strives to meet each c...