1. Knock knockout?…Who is there?…Boo… Boo Who?… Don’t cry! We have plenty more clean knock knock school jokes for you. (180 School Jokes)
  2. Knock, knock… Who’s there?… Noah… Noah, who?… Noah good joke about the last day of school? (Jokes for the Last Day of School)
  3. Who’s there?… Noah… Noah who?… Noah more school – it’s summer vacation! (Jokes for the Last Day of School)
  4. Knock knockout?…Who is there?…Wendy… Wendy Who?… Wendy bell rings, sit in your seat quietly. (180 School Jokes)
  5. Knock, knock!… Who’s there?… Rita… Rita who?… Rita book, you might learn something! (Book Jokes)
  6. Knock knockout?…Who is there?…Wendy… Wendy Who?… Wendy the teacher starts class, put away your cell phone. (Guest blog: Just Block Everything!)
  7. Knock knockout?…Who is there?…Wendy… Wendy Who?… Wendy the teacher starts class, pay attention. (180 School Jokes)
  8. Knock Knock… Who’s there!… B-4!… B-4 who?… B-4 you take the diploma, shake the dean’s hand. (Graduation Jokes)
  9. nock, knock… Who’s there?… Gladys… Gladys, who?… Gladys the last day of school — no homework ALL SUMMER! (Jokes for the Last Day of School)
  10. Knock, knock… Who’s there?… Justin… Justin who?…. Just in time for the last day of school! (Jokes for the Last Day of School)
  11. Knock, knock!… Who’s there?… Abe. Abe who?… Abe C D E F G H…
  12. Knock, knock… Who’s there?… Justin… Justin who?… Just in time for school!
  13. Knock, knock… Who’s there?… Orange… Orange who?… Orange you glad there is no school on Saturday?
  14. Knock, knock… Who’s there?… Orange… Orange who?… Orange you glad it is the last day of school? (Jokes for the Last Day of School)
  15. Knock Knock!… Who’s there?… Dewey….Dewey who?… Dewey have to do our homework? (Top Summer School Jokes)
  16. Knock, knock… Who’s there?… Canoe… Canoe who?… Canoe help me with my homework?
  17. Knock, knock… Who’s there?… Broken pencil… Broken pencil who?… Oh, never mind it’s pointless! (Pencil Jokes)
  18. Knock Knock… Who’s there!… B-4!… B-4 who?… B-4 you leave school, thank your teacher for a great year! (Write a Thank You Letter to A Teacher)
  19. Knock Knock!… Who’s there?… Dewey….Dewey who?… Dewey have to go to summer school? (Top Summer School Jokes)
  20. Knock, knock!… Who’s there?… Spell… Spell who? W-H-O (26 Lessons for the Letter of the Week A- Z)
  21. Knock, knock!… Who’s there?… Tamara… Tamara who?… Tamara is another school day. Yuk!
  22. Knock, knock! Who’s there?… Abe Lincoln… Abe Lincoln who?… Aww, come on! Don’t you know who Abe Lincoln is? (Presidents Day Jokes)
  23. Knock, knock!… Who’s there?… Rita… Rita who?… Rita book, you might learn something! (Book Jokes)
  24. Knock, knock! Who’s there? Bored. Bored who? Bored of education!
  25. Knock, knock! Who’s There? Anita. Anita who? Anita to borrow a pencil!
  26. Knock, knock! Who’s there? B-2. B-2 who? B-2 school on time!
  27. Knock, knock! Who’s there? Door Door who? Do-your homework!
  28. Knock, knock! Who’s there? From. From who? Actually, it’s from whom!
  29. Knock, knock! Who’s there? Iona. Iona who? Iona brand new school bag!
  30. Knock, knock! Who’s there? Pencil. Pencil who? Pencil fall down if you don’t wear a belt!