(Atlantic, Iowa) – Atlantic School District School Business Official (SBO)/School Board Secretary Sarah Sheeder has announced her resignation. She submitted her resignation on Monday. Sheeder said she has accepted a position at AC/GC schools, as a shared School Business Official.  Her contract was approved by the Guthrie Center Board of Directors Tuesday night. Her resignation letter is shown below. Sheeder is the second person in the ACSD Administration to resign. Superintendent Steve Barber has announced his resignation, effective at the end of the current school year.