Bacchus to school.

DRINK
Second Glass Wine Riot
What: Brave the giddy, thirst-quenching melee caused by 250 wines from around the world, crash-course tasting seminars, a photo booth, food pairings, and a DJ.
Why: Conscientious about your vino? Keep track of your favorite sips with their app.
When: Fri.-Sat.
Where: Skylight One Hanson, 1 Hanson Pl., at Flatbush Ave., Fort Greene. Tickets ($50-$60) online at secondglass.com.

SCORE
Le Grand Fooding Giveaway
What: Thirteen international super chefs take on consecutive four-hour shifts to create one spectacular restaurant extravaganza.
Why: Ten lucky early risers will get a pair of tickets (valued at $200) good for a four-course meal by Ana Ros (Slovenia’s Hiso Franko) or Brooks Headley (Del Posto), plus a half bottle of Veuve Clicquot.
When: Event, Fri.-Sun. Giveaway seatings, Ros, Sat., 9 a.m.; Headley, Sun., 5 a.m.
Where: 551 W. 21st St., at Eleventh Ave. To win, shout @CandyNewYork on Twitter; we’ll randomly assign seatings to the first ten commenters. (Winners and general attendees must be 21+.) Tickets ($100) online at eventbrite.com.

INTERACT
Lush Valley Closing Weekend
What: Get your client ID, participate in hot-topic think tanks and real-time video interviews, and vote for a national anthem in the hopes of becoming the idyllic country’s newest citizen.
Why: You won’t all make it; better have your paperwork in order.
When: Thurs.-Sat., 8:30 p.m.
Where: Here, 145 Sixth Ave., at Dominick St. (212-647-0202). Tickets ($18) online at here.org.

DONATE
Dine Out Irene
What: More than 85 NYC restaurants donate up to 10 percent of the day’s sales to help local farmers who’ve suffered devastating effects from Hurricane Irene.
Why: Now’s the time to cross Northern Spy Food Co., Buttermilk Channel, Gramercy Tavern, Colonie, or another fine establishment off your must-eat list.
When: Sun.
Where: Find participating restaurants online at dineoutirene.com.

POUND
Hammer & Claws Blue Crab Feast
What: An all-you-can-eat-and-drink mallet fest complete with Old Bay-steamed Maryland blue crabs, Rick’s Pick’s spicy pickles, Abita beer, live music, and more.
Why: A portion of the proceeds benefits environmental crusaders Chesapeake Bay Foundation.
When: Fri.-Sun.
Where: The Tunnel at The Terminal Stores, 269 Eleventh Ave., b/t 27th & 28th Sts. Tickets ($118) online at hammerandclaws.com.

Photo: Courtesy of Second Glass