School Calendar

Written By Steve Glenn

Updated on March 26th, 2025, by Steve Glenn

In This Article:

 

Current Year

August 2024

 

1

First Day for Teachers - 

(School-based In-Service Day)

2

Systemwide In-Service Day (PreK - 12)

5

Administrative Day (Teacher Work Day)

6

Systemwide In-Service Day (1/2 day–School-based);

Administrative Day (1/2 day–Teacher Work Day);

6th and 9th Grade Orientation

7

Administrative Day (Teacher Work Day)

8

First Day for Students

(1/2 day for students)

September 2024

 

2

Labor Day – Holiday

(Knox County Schools Closed)

9

End 4 1/2-weeks Grading Period

17

Constitution Day (Knox County Schools Open)

18

Half-Day for Students

October 2024

 

4

End First 9-weeks Grading Period

 7 - 11

Fall Break

November 2024

 

5

Systemwide In-Service Day

(PreK-12)(Student Holiday)

13

End 4 1/2-weeks Grading Period

20

Half-Day for Students

27 - 29

Thanksgiving Holidays

December 2024

 

20

1/2 day for Students;

End Second 9-weeks Grading Period;

End First Semester

23 - Jan 2

Winter Break

January 2025

 

3

Systemwide In-Service Day (1/2 day–School-based);

Administrative Day (1/2 day–Teacher Work Day);

(Student Holiday)

6

First Day for Students after Winter Break

(Full Day)

20

Martin Luther King, Jr. Day – Holiday

(Knox County Schools Closed)

February 2025

 

5

End 4 1/2-weeks Grading Period

12

Half-Day for Students

17

Systemwide In-Service Day

(PreK-12) (Student Holiday)

March 2025

 

10

End Third 9-weeks Grading Period

17 - 21

Spring Break

26

Half-Day for Students

April 2025

 

17

End 4 1/2-weeks Grading Period

18

Holiday (Knox County Schools Closed)

21

Systemwide In-Service Day

(School-based)

May 2025

 

22

Last Day for Students (1/2 day for students);

End Fourth 9-weeks Grading Period;

End Second Semester

23

Administrative Day (Teacher Work Day) –

Last Day for Teachers

 

June 2025

 

19

Juneteenth - Holiday

(Knox County Schools Closed)

 
 

Next Year

July

July 31, 2025

First Day for Teachers - (School-based In-Service Day)

August

August 1, 2025

Systemwide In-Service Day (PreK - 12)

August 4, 2025

Administrative Day (Teacher Work Day)

August 5, 2025

Systemwide In-Service Day (Half-Day School-based);

Administrative Day (Half-Day Teacher Work Day);

6th and 9th Grade Orientation

August 6, 2025

Administrative Day (Teacher Work Day)

August 7, 2025

First Day for Students (Half-Day for students)

September

September 1, 2025

Labor Day – Holiday (Knox County Schools Closed)

September 5, 2025

End 4½-weeks Grading Period

September 17, 2025

Constitution Day (Knox County Schools Open),

Half-Day for Students

October

October 6 - 10, 2025

Fall Break

October 14, 2025

End First 9-weeks Grading Period

November

November 4, 2025

Systemwide In-Service Day

(PreK-12)(Student Holiday)

November 13, 2025

End 4½-weeks Grading Period

November 19, 2025

Half-Day for Students

November 26 - 28, 2025

Thanksgiving Holidays

(Knox County Schools Closed)

December

December 19, 2025

Half-Day for Students;

End Second 9-weeks Grading Period;

End First Semester

December 22, 2025 - January 2, 2026

Winter Break

January

January 2, 2026

Systemwide In-Service Day (Half-Day School-based);

Administrative Day (Half-Day Teacher Work Day)

January 5, 2026 First Day for Students after Winter Break (Full Day)
January 19, 2026

Martin Luther King, Jr. Day – Holiday

(Knox County Schools Closed)

January 28, 2026 Half-Day for Students

February

February 5, 2026

End 4½-weeks Grading Period

February 16, 2026

Systemwide In-Service Day (Student Holiday) 

March

March 9 - 13, 2026

Spring Break

March 17, 2026

End Third 9-weeks Grading Period

March 25, 2026

Half-Day for Students

April

April 3, 2026

Holiday (Knox County Schools Closed)

April 20, 2026

End 4½-weeks Grading Period

May

May 5, 2026

Systemwide In-Service Day (Student Holiday)

May 21, 2026

Last Day for Students (Half-Day);

End Fourth 9-weeks Grading Period;

End Second Semester

May 22, 2026

Administrative Day (Teacher Work Day) – 

Last Day for Teachers

June

June 19, 2026

Juneteenth - Holiday (Knox County Schools Closed)
 
 

 

Calendar Summary

180

Instructional Days*

4

Administrative Days

2

Unscheduled In-Service Days

1

Unscheduled Parent-Teacher Contact Hours Day

10

Vacation Days

* In accordance with TCA 49-6-3004: 177 student instructional days plus three (3) days accumulated under daily 7-hour schedule.

Note: This calendar allows cancellation of up to 8 instructional days due to inclement weather or serious outbreaks of illness before any makeup days will be required. 

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