XP Points

Common: 40 XP
Rare: 120 XP
Epic: 300 XP
Legendary: 750 XP (like the Robot, Alien and Ghost skins)

Answering Spark quiz questions correctly
Giving thoughtful responses to open-ended questions within the lesson
Providing feedback on the lesson after its completion
Completing surveys before the due date: 3 XP for each question, plus 15 XP for finishing
Getting ready when your teacher presents a survey in class: 10 XP, the first time you open it
Completing assessments: the same XP as a survey, plus 10 XP the first time you get ready when your teacher presents it

Spend your XP in the shop to unlock new items for your avatar. Every student has their own pixel-art avatar, and you can change it any time.

Click your XP balance in the top navigation bar.
Click Spend XP to open the shop.
Choose an item. You can put on any locked item to see how it looks before you buy it.
Click to unlock the item. The XP is taken from your balance.

Lots of items are free, including skin tones, hairstyles, eyes and noses. Other items cost XP, depending on their tier:

Earn points by actively participating in lessons and completing different activities. The more XP you collect, the more you demonstrate your understanding and contribution to the class!