Here are some awesome ideas from fellow bloggers. There are yummy treats, adorable crafts, and fun games.
Treats
Your kid's classmates will LOVE these monster marshmallows and chewy candies! Both treats are completely homemade, but you can make them ahead of time.
I love these mummy treats because you can use them for several foods. She suggests gum or candy, but raisin boxes would look cute too. This is a great way to use up scrap paper too!
Don't want to give candy at the party? Try these cute treat holders for Wendy's frosty coupons. The coupons are inexpensive and 99 cents of each dollar goes to charity! You're helping so many kids when you buy these coupons.
These are awesome! Use green pudding or dye vanilla pudding green for these Halloween pudding cups.
Here's another take on the pudding cups. I like these Halloween pudding cups because the kids can take the fruit home with them if there are too many snacks at the party.
Drinks at the party are so hard because you hate to give the kids even more sugar. My kids can't have red dye or high fructose corn syrup, so I love these printable Halloween water bottle labels.
How cute are these candy corn cupcakes? I love making cupcakes for school parties because they are so easy to transport.
Crafts
These ghost decorations can be used to decorate the classroom, hallway, or take home.
This easy rolled paper pumpkin craft is perfect for any age. You can even adapt this for other shapes, like a ghost.
This craft is really, really cute, but I would probably switch to a plastic container for a school party. You could make these pumpkin jars with paint or paper.
This cute fall leaf is perfect for younger kids. They can cut or tear the paper to make the colors.
I'm a total sucker for keepsakes that come home from school. My kids always get them at the Christmas party, but this is really cute to have them for the fall party too. I love seeing how itty bitty their hands were in each grade.
This pumpkin painting is more for the little ones. They will have so much fun mixing paint and getting messy!
How cute are these pumpkins? Use some markers, pipe cleaners, and googly eyes, and you have a pumpkin friend!
This candy corn bunting would be a great decoration for the classroom. Kids can share plates or do one each to make a longer piece.
Games
When I was a kid, I helped plan a Halloween party. We did this game with the other kids. They were so grossed out. It was so much fun!
I know, I know. What kids wants to learn when it's time to party? They won't even know they are learning with this sneaky math game!
This is another game like the coffin guessing game. It's the same principle, but it's a little easier to put together.