Teachers and classrooms leave students with memories that last a lifetime. The start of the new school year had Nat Geo staffers reminiscing about their first year of school. Click on the gallery below to see how each image represents a kindergarten memory.

Photograph by David Boyer, National Geographic

Photograph by James L. Stanfield, National Geographic

Photograph by Jodi Cobb, National Geographic

Photograph by Robert Madden, National Geographic

Photograph by Michael Nichols, National Geographic

Photograph by Flip Nicklin, National Geographic

What do you remember from kindergarten? Chat with us and each other on Facebook and Twitter using the #TeachNatGeo hashtag. We’ll share some of our favorites as the conversation grows.