A parent representative feels his way.

Presents the second article of a periodic series on New York City schools, and tells about Richard W. Wong, 56-year-old Cantonese immigrant and the godfather of a neighbor's three children who attend Public School 192 in Harlem. He is part of an experiment in power-sharing known as school-based management that is the center of School Chancellor Joseph A. Fernandez's blueprint for overhauling the city's lackluster schools. How he has contributed.