1. "Happy birthday, partner in crime! Remember when we got caught passing notes in math class? You’re still the best co-conspirator I could ask for. Cheers to another year of memories (and maybe fewer detention slips)!"
2. "To the person who knows all my embarrassing middle school stories—happy birthday! Thank you for laughing at my awkward phases instead of judging me. Here’s to a year as awesome as you are (which is very awesome)."
3. "Happy birthday, study buddy! From cramming for finals to skipping gym class together, we’ve survived it all. May your day be filled with as much fun as we had procrastinating on group projects (but way less stress)!"
4. "Hey, remember when we thought high school was the most important thing ever? 😂 Happy birthday to the friend who’s seen me grow up (and grow out of those terrible fashion choices). Have the best day!"
5. "To the one who saved me a seat in every boring class: happy birthday! You’re the reason I didn’t fall asleep during history lectures. Here’s to a year of adventures—let’s make new memories that top the time we… (you know, the thing we can’t tell anyone else)."
6. "Happy birthday, my forever school pal! Whether we were trading snacks in the cafeteria or complaining about homework, you made every day better. Hope your birthday is as cool as you are (and that’s pretty darn cool)."
7. "Cheers to the person who knows all my secret study spots and favorite lunch menu hacks! Happy birthday—may your year be full of A+ moments, just like you’ve been for me."
8. "Remember when we used to plan our futures during recess? Well, look at us now—still killing it! Happy birthday, friend. Thanks for being the constant in my ever-changing life."
9. "Happy birthday to the one who’s seen me cry over bad grades, laugh until I snorted, and everything in between. You’re stuck with me, so let’s make this year the best one yet!"
10. "Hey, you! The person who made school bearable (and sometimes even fun). Happy birthday! Here’s to a year of good vibes, inside jokes, and maybe finally figuring out that math problem we never solved."
11. "To my favorite classmate-turned-bestie: happy birthday! From sharing textbooks to sharing dreams, you’ve been there through it all. Let’s celebrate like we’re skipping last period (but with cake instead of detention)."
12. "Happy birthday, partner in everything! You know my deepest secrets, my worst puns, and how much I hate group projects. Thanks for putting up with me—now let’s party like it’s the last day of school!"
13. "Remember when we thought college was a million years away? Now here we are, still friends. Happy birthday! May your day be as epic as the time we… (okay, maybe we shouldn’t mention that, but you get it)."
14. "To the friend who always has my back (even when I forget my lunch money): happy birthday! You’re the reason school wasn’t just about tests and deadlines. Let’s make this year unforgettable!"
15. "Happy birthday, my fellow survivor of awkward assemblies and endless pop quizzes! You’ve turned every boring moment into a memory. Here’s to a year of laughter, growth, and maybe a few less homework assignments."
16. "Hey, you’re the person who made me realize school isn’t just about grades—it’s about friends like you. Happy birthday! Let’s celebrate with all the pizza and nostalgia we can handle."
17. "To the one who knows exactly which teacher to avoid and where to find the best snacks: happy birthday! You’re a lifesaver, and I’m so glad we crossed paths in homeroom. Have an amazing day!"
18. "Happy birthday, friend! Remember when we used to draw on our folders and pretend we were too cool for middle school? Now we’re too cool for life—but still kids at heart. Let’s keep it that way!"
19. "Cheers to the person who made me laugh when I wanted to cry, helped me study when I wanted to nap, and stayed by my side through it all. Happy birthday—you’re the best!"
20. "To my ride-or-die school buddy: happy birthday! From first-day jitters to last-day nostalgia, we’ve done it all. Here’s to a year as awesome as our friendship—wild, wonderful, and full of inside jokes only we get."