NYC-based youth marketing and media company Alloy Marketing & Media has acquired high school social networking site Sconex for $8.7 million: $6.1 million in stock, plus an additional minimum earnout payment of $2.6 million in stock or cash, due in 12 months, and based on certain performance metrics.

The social networking site for high school students is only about a year old…The company says Sconex gets more than 400,000 unique visitors monthly and has more than 500,000 registered users.

More info in the release here.