If you write MG or YA, Kidlit.com is having a contest. Yipee!
If you don't frequent the Kidlit.com website you are missing out. Mary Kole is an agent at Andrea Brown Literary Agency, and her site is filled with great advice.
CONTEST LINK: Kidlit Contest
PRIZES: The winners will receive a 1-15 page critique.
HOW TO ENTER: Submit the first 500 words of your YA or MG novel.
Email your entry with the subject "Kidlit contest"
And put a link to the contest page in two places (provide the links in your email so she can verify them)
Get editing and good luck!