In another classroom the lesson is how different parts of a PC work.

BBC: Rural Rwanda

These are the true Boomers, who only remember construction, being moved from the one one room classroom school to another one room classroom in the church basement and then to the bomb shelter, if for no other reason than as a form of recreation.

FORBES: GOP Launching Multi-Pronged Attack On Senior Citizens

That way, you can find out first-hand about stories in another part of the UK - or in another country entirely - without leaving the classroom.

BBC: Story ideas for 2011 News Day

Over the next decade, institutions in the U.S. and in other countries with mature higher education sectors will be struggling to justify the cost and value of a residential degree program when students get much of the same content and a good portion of the classroom experience from an online instructor in another city or across an ocean.

FORBES: The Real Winners of the Coming Revolution in Higher Education

She saw that the Web and the blogosphere would act as a giant fourth-grade classroom (oops, another metaphor), in which honor mattered and slander could not hurt you.

FORBES: Magazine Article

Another finalist, the Healthy Schools, Healthy Families' "Just Move" program in New York and New Jersey, added five-minute breaks into students' daily routine while addressing another obstacle in the fight to add physical activity in schools: how to avoid taking away classroom time.

CNN: Schools given $25K to help kids move