The comedian and educator will tape public-service announcements on behalf of the district.
The vote came in the wake of disagreement among board members and parents about construction priorities.
The education secretary still has some tough love for school boards, though.
A Texas school district that didn't show President Obama's speech to students is sending more than two dozen 5th grade classes to see former president George W. Bush live later this month.
No one from the District of Columbia schools offered evidence that the state superintendent's concerns about big jumps in test scores were investigated.
Here's some tools for district leaders preparing for President Obama's Tuesday speech.
An analysis has been done of large gains in proficiency scores at 26 schools.
Ninety-seven percent of the city's elementary and middle schools receive an A or B grade.
The U.S. Department of Education has released guidance on applying for waivers and how to keep educating students if a H1N1 flu outbreak disrupts school.
The district is divided into areas that are assigned a "diversity code," which is then used to make assignments for elementary schools.