The sixth annual Grad Night Silent Auction to help fund Tyngsborough High Grad Night will take place from 7 to 11 p.m. on March 23, at Princeton Station, 147 Princeton St. The evening will include auction packages, a roulette wheel, and raffles, as well as a buffet dinner and entertainment. Proceeds will benefit the Grad Night Committee, a parent-run group that organizes a safe, all-night event for Tyngsborough High seniors on graduation night in June. At that event, students will be able to enjoy food and entertainment in a drug-free, alcohol-free setting. For more information on Grad Night or on the upcoming auction, visit www.thsgradnight.org.