Guarantee you won't be falling asleep in any of these classes.

1.

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(source: Sabird1)

 

2.

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(source: it_roll)

3.

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(source: jaegerbomb14)

 

4.

Hilarious Teachers You Wish Taught At Your School

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5. 

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(source: jaerixon)

 

6. 

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(source: eristerra)

 

7.

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(source: sneakyrock)

 

8.

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(source: jdenst)

 

9.

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(source: Keeshly)

 

10. 

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(source: TheDoomOfDeath)

 

11.

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(source: Sabird1)