Invest in yourself. You may be able to follow an online course in your interest that your school doesn't offer. Like water color or audio mixing, guitar, video editing, coding etc.

My best black Friday was spent with a good friend going around the city, getting some food and something momentous and something for my hobby.

I still have the blanket which reminds me of the day.

As others have already said, chances are there's nothing you genuinely "need" for BF if you are asking here. However, that doesn't mean a nice experience is impossible.

oh I might be able to help you.. with a song about thrift! when you get a penny from a chum, don't just spend it on bubblegum. Put in your cap, put it in your cap

https://youtu.be/icfzrBm-vuU?si=dUz9syGoF_v9vBSL

I was always onto this mindset in all my life. If I crave something for atleast 1-2 week I probably need it. For example playing VR always pops into my mind so I definitely need a VR headset.

EDIT: There was one cheap thing that was really "useful" for me. My school had a merch shop where they sold pens with rubber onto it. With this I was able to play Hearthstone on my phone while class.

Give us a list of a few things you feel you might need OP.

You're wise not to mess with stocks or crypto, but as soon as you have the income to contribute, consider a Roth IRA, starting as young as you can really pays out later.

Fireworks