“We cannot and will not revert to the days of incrementalism in our schools,” presumptive mayor Vincent Gray said at the Mayflower Hotel this morning as he and Schools Chancellor Michelle Rhee announced she’ll step down at the end of October. Mayor Adrian Fenty has appointed Rhee’s deputy, Kaya Henderson, as interim chancellor, and Gray said other senior Public Schools staff have agreed to say on board to “minimize any disruption for our students.” That’s one important goal. But if Gray is to strengthen confidence in long-term education reform in DC, here are five things he can do to extend and improve upon Rhee’s efforts.