By SHEILA WEISS
The first period bell signals to students in Lewis and Clark High School that it’s time to be at their desks to begin their school day. That is, if you understand what class periods are and why you have to be seated at a specific desk when the bell rings. These are concepts 16-year-old Mark had never experienced before.
For years Mark lived on the streets of one of the poorest Caribbean islands, a child alone with no family to nurture him and no schooling to enlighten him....