I put together a list of sites for young authors. Hope you find it helpful:
Literacy is contagious. Catch it here. You'll find animated books, children's music, puzzles and games that entertain kids while promoting child literacy.
Publishes poetry, stories and reviews written by children.
Publishes stories, poetry and reviews by kids.
Online magazine that publishes poetry, fiction and artwork by children under 12.
Tips for young authors.
Publication that publishes writing and artwork by children under 13.
This publisher considers short fiction and novels by young authors ages 13-18.
Kids, you can get your stories, poems, editorials, articles, photography or cartoons published - free of charge - for all the world to read by entering pieces in Kids Can Publish University's monthly contest.
Publishes children’s picture books written & illustrated by children under 12.
Other sites for young authors: