Pat Arrowsmith outside the gates of Kensington Palace in London at the start of a seven-day protest and fast against the Russian military intervention in Czechoslovakia in August 1968.

Arrowsmith charges each school $4,500 per student, per year, to run the program, which includes pre- and post-assessments of the children and ongoing development for the teachers.

Hernández will read from her work as part of an Arrowsmith Press book launch this Sunday, May 5 at 3 p.m. at the Eliot Lyman Room at the Harvard Graduate School of Education, 13 Appian Way, in ...