The #HighSchoolHasTaughtMe hastag that’s been trending on Twitter today just be my favorite hashtag so far. It’s not because of the subject, it’s because the tweets people were writing are kind of… amazing. Not only are they funny enough to make you actually laugh out loud, but most of them actually include real advice. Also, some funny memes.

So, what has high school taught us? Basically it’s a mix of all 25 tweets below. I mean, what else is there to say? The popular saying is true: high school is either the best four years of your life, or the worst. And I, for one, am happy I’m outta there. Although, I have to say, it is a pretty great learning experience. Check out my 25 favorite tweets from the #HighSchoolHasTaughtMe trending topic:

Sweetest advice ever. Also, true! 

It sounds corny, but it really does happen. 

Ughhh, it’s just like, go away! 

Don’t we tell you this all the time, girls? Don’t think about what other people are thinking! 

No one likes a frenemy. 

Ugh, time flies. SO FAST. 

If high school could be explained in an emotion, amirite? Also, this is amazing.

So Hallmark, so true. 

Because they’re so comfy, obviously.

Don’t do what you’re not comfortable with. Seriously!

Again, be yourself. I don’t know if you noticed, but it’s important.

Okay, fine, I’ll admit it – I just really wanted an excuse to use this meme in a post. 

Movies, leading us astray as usual. 

Some people are fake. It happens.

It’s an art form, what can I say?

Friends change, especially as you grow up. 

Sneaky texting – always a good skill to have.

But… but… maybe one day we’ll use those math skills?

Very sad… also very true. 

The truth? Some people just aren’t going to like you. Oh well, you can’t please everyone! 

Keep your besties close!

You don’t want to peak in high school, guys. 

Totally sums up high school in all it’s glory.

Yeah, this happens. Yeah, it sucks.

Most importantly? High school is only a tiny part of your life.

Which of these tweets was your favorite? What have you learned from high school? What would you warn freshmen about the most? Tell us in the comments!

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