Every day, Americans across our country -- from entrepreneurs and college students to families and community leaders -- rely on critical infrastructure to travel and communicate, work and play.

WHITEHOUSE: The White House

Reaching that goal will take the commitment of everyone in this room, and all of the hardworking community college leaders, faculty and students you represent.

WHITEHOUSE: Community College Summit: Opening Session

He warned that the series of events had led to "a profound crisis of confidence amongst school and college leaders, teachers, parents and students in our current examinations system".

BBC: GCSE fiasco 'leaves schools with failing tag'

Dr John Dunford, general secretary of the Association of School and College Leaders, says they will "cease to take students through the answer".

BBC: Achievements mask school divide