10:25Twentieth Century FocusSeries 5Episode 2: Towards a Classless Society: Crossing the BarrierBBC One Duration: 20 minutes Tue 20th Jan 1970, 10:25 on BBC One East MidlandsMary Marquis finds out what happens when working-class parents move into the middle class and begin to educate their children by their new standards.GenresLearningSecondaryBrandTwentieth Century FocusSeriesTwentieth Century Focus: Series 5 Source: BBC Online