WATERTOWN, Wis. — The Watertown Unified School District’s superintendent resigns, the latest shakeup in a tumultuous year for the southeast Wisconsin community. The district’s board of education accepted Dr. Jarred Burke’s resignation June 22; it will go into effect on June 30. Burke said the decision to resign was “rooted in governance conditions that do not match my vision of a servant leader’s professional responsibilities” in a letter sent t…