Balloon is an indispensable decoration, which can be colored balloons, tied into a bundle and glued to the classroom wall with transparent glue.
Ribbon, all kinds of ribbons, but not too much, just embellish it, too much will be too messy.
Lanterns, hanging a few small lanterns, give people a festive feeling.
Blackboard newspaper, with red as the main tone, produces a gangster newspaper.
Spring Festival couplets, you can let the students who can write brushes in the class write a pair of Spring Festival couplets.
Color spray, you can spray the words Happy New Year.