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Full Days
  • High School 
    • 7:50 am - Early Bird 
    • 8:40 am - Tutorial
    • 9:00 am - 3:20 pm 
  • Middle School 
    • 8:45 am - 3:25 pm 
  • Jefferson School 
    • 8:25 am - 3:05 pm 
  • Carl Sandburg School 
    • 8:10 am - 2:50 pm 
  • Ashmore School 
    • 7:50 am - 2:30 pm 
  • Mark Twain School 
    • 7:55 am - 2:10 pm
Half Days (3 Hours)
  • High School 
    • 8:40 am - 11:40 am 
  • Middle School 
    • 8:45 am - 11:45 am 
  • Jefferson School 
    • 8:25 am - 11:25 am 
  • Carl Sandburg School 
    • 8:10 am - 11:10 am 
  • Ashmore School 
    • 7:50 am - 10:50 am 
  • Mark Twain School 
    • 7:55 am - 10:55 am
Early Dismissal (2 Hours)
  • High School
    • 8:40 am - 1:20 pm
  • Middle School
    • 8:45 am - 1:25 pm
  • Jefferson School
    • 8:25 am - 1:05 pm
  • Carl Sandburg School
    • 8:10 am - 12:50 pm
  • Ashmore School
    • 7:50 am - 12:30 pm
  • Mark Twain School
    • 7:55 am - 12:10 pm
2-Hour Delayed Start Days

Charleston CUSD#1 may run a delayed start schedule for all schools on severe weather days. The delayed start schedule provides the flexibility to begin school two hours later than normal, allowing times for roads to be cleared and temperatures to rise. This alternative eliminates a situation where severe weather in the early morning leads to a decision to close schools for an entire day when it is not warranted. This can be everything from road conditions to freezing temperatures possibly even combined with the early morning darkness which makes traveling by school bus challenging. Please remember that parents should have a plan in place for "delayed starts". On delayed start schedule days, buses will arrive at the scheduled pick-up points two hours later than regularly-scheduled time. In the event a delayed start schedule is utilized, school schedules will be adjusted as provided.

High School

  • Early Bird: 10:05 am - 10:35 am
  • Period 1: 10:40 am - 11:15 am 
  • Period 2: 11:20 am - 11:50 am 
  • Lunch: 11:50 am - 12:25 pm
  • Period 3: 12:30 pm - 1:00 pm
  • Period 4: 1:05 pm - 1:35 pm
  • Period 5: 1:40 pm - 2:10 pm
  • Period 6: 2:15 pm - 2:45 pm
  • Period 7: 2:50 pm - 3:20 pm

Middle School

  • 3rd Hour: 10:45 am - 11:10 am
  • 4th Hour (7O Lunch): 11:10 am - 11:40 am
  • 5th Hour (7B Lunch): 11:40 am - 12:10 pm
  • 6th Hour (8G Lunch): 12:10 pm - 12:40 pm
  • 7th Hour (8R Lunch): 12:40 pm - 1:10 pm
  • 8th Hour: 1:10 pm - 1:40 pm
  • 9th Hour: 1:40 pm - 2:10 pm
  • 1st Hour: 2:10 pm - 2:40 pm
  • 2nd Hour: 2:40 pm - 3:10 pm
  • Home Base: 3:10 pm - 3:25 pm

Jefferson School

  • AM Project Help Classes will be cancelled
  • School begins: 10:25 am
  • Grade 6 Lunch: 11:30 am - 12:00 pm
  • Grade 5 Lunch: 12:00 pm - 12:30 pm
  • Grade 4 Lunch: 12:30 pm - 1:00 pm
  • Dismissal: 3:05 pm

Carl Sandburg School

  • School begins: 10:10 am
  • Grade 1 Lunch: 10:55 am - 11:25 am
  • Grade 2 Lunch: 11:35 am - 12:05 pm
  • Grade 3 Lunch: 12:10 pm - 12:40 pm
  • Dismissal: 2:50 pm

Ashmore School

  • School Begins: 9:50 am
  • Grades K-2 Lunch: 11:00 am - 11:30 am
  • Grades 3-4 Lunch: 11:30 am - 12:00 pm
  • Dismissal: 2:30 pm

Mark Twain School

  • AM PreSchool Class will be cancelled
  • School Begins: 9:55 am
  • 1st Lunch: 11:25 am - 11:55 am
  • 2nd Lunch: 12:05 pm - 12:35 pm
  • Dismissal: 2:10 pm