2024-25 Official Student Calendar (English) 2024-25 Official Student Calendar (Spanish) **Revised last day of school (from June 12 to June 13)approval on May 12, 2025. On this last day, Kindergarten through 7th grade students will attend a half-day of school, andwill be dismissed early: Tier 1: 7:30 am - 10:30 am Carl Sandburg Middle School | Plum Grove Middle School | Thomas Jefferson Middle School | Walter R. Sundling Middle School | Winston Campus Middle School | Winston Campus Elementary Tier 2: 8:25 am - 11:25 am Frank C. Whiteley | Gray M. Sanborn | Hunting Ridge | Jane Addams | Kimball Hill | Lincoln | Marion Jordan | Pleasant Hill | Willow Bend Tier 3: 9:15 am - 12:15 pm Central Road | Lake Louise | Stuart R. Paddock | Virginia Lake Tier 3: 9:20 - 12:20 pm Conyers Learning Academy