Laughter is the best medicine they say, especially when you're stuck inside a stuffy classroom all day long! That's why we've got some side-splitting school knock-knock jokes to brighten up your day. Whether you're an elementary student or just a grown-up feeling like a kid again, these groan-inducing puns are sure to bring smiles galore!

So without further ado, let us dive right into our collection of hilarious and silly school knock-knock jokes that will surely tickle those funny bones:

1) Knock knock!

Who's there?

C-alc-u-lus

Calc-u-lus who?

2) Why did the math book go get a new pencil? Because it was feeling very...add*ed!

3) Knock, knock!

Who is it?

It's exponents again. I know you're used to them now.

4) What do you call an algebraic expression that won't leave your brain alone?

5) Why did the geometry teacher quit her job? Because she couldn’t square up with all those unruly angles!

6) Knock knock!

Who’s there?

A logarithmic function

Logarithm-ically yours,

7) Why was the school bus driver always so sad? He had too many degrees to deal with.

8) What do you call a teacher who's also an excellent juggler?

9) Knock, knock!

Who is it?

It's sine and cosine. We hope we're not trigging your memory again!

10) Why did the principal become a master baker? Because he kneaded some discipline in that school kitchen.

11) What do you call a group of cows playing instruments together at an elementary school talent show?

12) Knock knock!

Who’s there?

A square root

Square-ly yours,

13) I told my teacher she was showing her age. She said, 'Age is just a number.'

14) Why did the history teacher bring his ruler to class? To keep everyone in line!

15) What do you call an invisible student who's always late?

16) Knock knock!

Who’s there?

A tangent

Tangent-ly yours,

17) Why was the geography lesson so cold? Because it had a chill down its spine.

18) Do you have any other school-related puns up your sleeve (or should I say, in your backpack)? Share them with us and let's keep this knock-knock party going!

Remember folks: Laughter is contagious! Spread some joy around today by sharing these hilarious jokes far and wide. And don't forget to stay math-ematical – after all, practice makes... well you know what they say now doesn’t it?

School knock knock jokes