Safe social networking for kids under 13.
Games and videos make exploring the brain fun.
Sophisticated chat world has sexual content.
Fun games and a strong push to buy Poptropica membership.
Great way for kids to learn critical thinking.
Info and games designed to boost math's fun factor.
Mag site smartly tackles teen girls' interests and issues.
Teens share detailed stories of addiction and recovery.
Share, rank, and discuss news -- and adult topics.
Money-managing site has shopping, strong parental controls.
Outstanding interactivity with an animal theme.
Facebook-lite gets a lot right, but watch out for games.
As a resume-builder and a soul-satisfier, this not-for-profit site lets kids take action on issues they care about.
Shopping- and chatting-centric tween virtual world.
Safe, tween-centric songs by popular Disney stars.
Ad-free pay site helps little ones get ready for school.
YouTube-like site for kids is good for play and discovery.
Frank sexual health site from a trustworthy organization.
Sassy, smart, satirical magazine site for teen girls.
Smart site gives teens hands-on experience with coding.
Great for creative gamers, this site lets kids design their own games to play and share.
Fun games on pro-nutrition site, needs some updates.
Creative social site has a mixed bag of users.
Semi-social site helps users collect images for inspiration.
Gaming site attempts to mix charity and play.