Employment Posting. Custodian. Dayton School District. . Custodian position available at Dayton High School. Twelve-month contract (260 days per year). 8.0 hours per day. Hours: 2:00-10:30 PM. Minimum high school diploma or equivalent. The Dayton Classified Bargaining Agreement outlines an annual twelve-step classified salary schedule range from $18.30-$27.08 per hour. Please refer to the salary schedule on the District website. Experience cr...