Two distinct Tu BiShvat seders for your classroom from Lookstein and the Orthodox Union each addressing a different age group or perspective on the holiday:
Tu BiShvat Seder for Young Children (Lookstein)
Short Tu B’Shvat seder for young children aged 3-5. Can be adapted for older children.
Tu BiShvat Seder (Orthodox Union Israel Center)
A fun and traditional seder for elementary school students that includes appropriate blessings and background.