Don't try to do everything alone. If you are in a large committee, identify the "sub-leaders." You can't manage 50 people, but you can manage 5 people who are each managing 10 others.
Based on its purpose as a student-driven study hub, here is a story centered on the creation and impact of the site. The Legend of QuackPrep
Leo walked into his final with a strange sense of calm. He didn't know the exact answers, but he knew the rhythm of the test. He knew where the traps were hidden.