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45+ Back to School Knock Knock Jokes That’ll Have You Hollering in Homeroom
Backpacks?, Pencils?, Knock knock jokes? DOUBLE! Whether it’s the first day or just another Monday, these school knock knock jokes will add some LOL to your ABCs.

🏫 Recess for Your Funny Bone!

Because going back to school should come with extra laughs, not extra homework!

Hey giggle gang! Lulu Parker here, and I’ve got a brand-new notebook full of laughs. Going back to school doesn’t have to mean the end of fun — not when you’re armed with the silliest school knock knock jokes this side of the lunchroom.

Whether you're nervous about your new class or already mastering your locker combo, these goofy jokes will turn that school frown upside down.

Grab your giggle goggles, because it’s time for a silly recess of punchlines!

✏️ First Day Funnies

Let’s kick things off with some laughs for that big return!

  • Knock, knock.

  • Who’s there?

  • Howard.

  • Howard who?

  • Howard you like to go back to school already?!

  • Knock, knock.

  • Who’s there?

  • Justin.

  • Justin who?

  • Justin time for the bell — RUN!

  • Knock, knock.

  • Who’s there?

  • Olive.

  • Olive who?

  • Olive school… but I miss summer snacks!

  • Knock, knock.

  • Who’s there?

  • Alpaca.

  • Alpaca who?

  • Alpaca your bag — it's the first day!

  • Knock, knock.

  • Who’s there?

  • Wanda.

  • Wanda who?

  • Wanda know who my new teacher is?

cartoon brain at a desk with school books and glowing ideas
Did you know? Laughing before class actually helps you focus!

Researchers found that kids who laugh before learning retain info better. So yes — these jokes are actually part of your study plan.

📚 Locker Room LOLs

Got a locker? Great. Stuff these jokes in there too!

  • Knock, knock.

  • Who’s there?

  • Ben.

  • Ben who?

  • Ben waiting all summer for school lunch pizza!

  • Knock, knock.

  • Who’s there?

  • Ima.

  • Ima who?

  • Ima need a bigger backpack this year!

  • Knock, knock.

  • Who’s there?

  • Boo.

  • Boo who?

  • Don’t cry — it’s only math class!

  • Knock, knock.

  • Who’s there?

  • Teddy.

  • Teddy who?

  • Teddy’s pencils aren’t going to sharpen themselves!

  • Knock, knock.

  • Who’s there?

  • Hatch.

  • Hatch who?

  • Bless you! Allergic to new books?

  • Knock, knock.

  • Who’s there?

  • Lynne.

  • Lynne who?

  • Lynne me your scissors, please!

  • Knock, knock.

  • Who’s there?

  • Cory.

  • Cory who?

  • Cory-idor is crowded! Watch out!

🎓 Teacher’s Desk Ticklers

Even teachers need a laugh now and then...

  • Knock, knock.

  • Who’s there?

  • Harry.

  • Harry who?

  • Harry up, or you’ll miss the school bus!

  • Knock, knock.

  • Who’s there?

  • Gus.

  • Gus who?

  • Gus who got 100 on their spelling test? ME!

  • Knock, knock.

  • Who’s there?

  • Annie.

  • Annie who?

  • Annie homework tonight?

  • Knock, knock.

  • Who’s there?

  • Norma.

  • Norma who?

  • Norma-ly I don’t love school… but today was fun!

  • Knock, knock.

  • Who’s there?

  • Canoe.

  • Canoe who?

  • Canoe help me find my eraser?

  • Knock, knock.

  • Who’s there?

  • Pencil.

  • Pencil who?

  • Pencil fall down if you don’t hold it right!

Classroom of Kids Laughing at Joke
Knock knock jokes teach rhythm, structure, and memory.

They’re more than just giggles — they help little minds grasp timing and creativity!

🥪 Cafeteria Crack-Ups

Welcome to the comedy cafeteria — don’t drop your tray laughing

  • Knock, knock.

  • Who’s there?

  • Lettuce.

  • Lettuce who?

  • Lettuce eat lunch already!

  • Knock, knock.

  • Who’s there?

  • Cheese.

  • Cheese who?

  • Cheese a great friend to sit with at lunch!

  • Knock, knock.

  • Who’s there?

  • Peas.

  • Peas who?

  • Peas stop with the mystery meat!

  • Knock, knock.

  • Who’s there?

  • Muffin.

  • Muffin who?

  • Muffin to do but snack and chat!

  • Knock, knock.

  • Who’s there?

  • Donut.

  • Donut who?

  • Donut forget to save me a cookie!

  • Knock, knock.

  • Who’s there?

  • Tuna.

  • Tuna who?

  • Tuna sandwich is my favorite!

Flying Superhero Kids with Laugh Words
Kids laugh up to 300 times a day. Adults? Only about 20

So, kids are basically full-time laughter pros. Let’s keep it that way!

🚌 Bus Ride Banter

Because school starts AND ends on the bus!

  • Knock, knock.

  • Who’s there?

  • Wheel.

  • Wheel who?

  • Wheel be at school in no time!

  • Knock, knock.

  • Who’s there?

  • Stop.

  • Stop who?

  • Stop asking, I’m not the driver!

  • Knock, knock.

  • Who’s there?

  • Orange.

  • Orange who?

  • Orange you glad we get the window seat?

  • Knock, knock.

  • Who’s there?

  • Jessie.

  • Jessie who?

  • Jessie sitting next to me again!

  • Knock, knock.

  • Who’s there?

  • Mike.

  • Mike who?

  • Mike backpack’s stuck under the seat!

🖍️ School’s Cool When There’s Time to Giggle!

There’s a reason we put jokes in lunchboxes and laughter in backpacks — school’s way more fun when you’re silly about it.

Whether you told one of these to your principal or giggled with your seat buddy, I hope today’s knock knock jokes made your school day a little brighter.

Remember, you can always knock, knock on our homepage for more!

Stay cheeky,

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