In a candid post, blogger Denise Gonzalez-Walker talks about the differences between her son's "volunteer-rich" elementary school and a low-income school she volunteered at where parents were largely absent. The reason, she found, was that many of the parents work multiple jobs with unflexible schedules.

What can parent groups do to reach out to these moms and dads? Has your group found effective ways to involve parents that juggle two or three jobs to keep food on the table?