Teaching kids to recognize and name their emotions is often the first step in helping them work through their feelings. The Anxiety Relief Project has a great article full of ideas to help give young students and their caregivers what they need to work through feelings big and small. For more tools, check out The Pragmatic Parent.
Younger students may also enjoy these terrific tools featuring a favorite PBS character, Daniel Tiger, as he works through a variety of feelings with his friends in the Neighborhood of Make-Believe.
TeensHealth by Nemours has some tools to help older children and teens navigate their emotions.