Likely Rocky Mount High School; Notes on the chalkboard include a lengthy chart depicting "Shock - Cause - Factor Symptoms - Danger"; Also visible: emergency evacuation plans for this classroom "102" to Marigold Street; A student wears a "Rocky Mount Blackbirds" patch; Envelope labels: "Red Cross - Demonstrations (for red cross and N&O [News and Observer]); Red Cross work in schools for downtown exhibits"