A high school chemistry teacher takes his students to a city park to tap maple trees for syrup. (rethinkingschools.org)
Join us for a hands - on, lively workshop designed to address the urgent and critical needs of high school chemistry teachers and students. (txascd.org)
Sean Simpson, a high school chemistry teacher in Parkland, told deputies he mistakenly left the Glock 9 mm in a bathroom stall. (vox.com)