Until last month, I had never seen an episode of "Room 222." That may not seem like a major omission. There's a good chance you've never even heard of the urban school series that ran on ABC from 1969 ...

The campus setting for “Room 222” was in a “Glee”-free zone, far from the “90210” ZIP Code. The classic comedy-drama, which revolved around fictional Walt Whitman High School, premiered in 1969 ...