That didn't seem to be a problem at first, since a few parents volunteered to call balls and strikes.

Philadelphia is trying to recruit 10,000 parents and community members to volunteer in its schools as part of a broad plan.

In most versions, parents volunteer their services for the entire school.

Also, some parents volunteered to have classes at their houses during this time period.

Why would parents volunteer to work at a school so that the sponsors of this system can make a bigger profit?

In our league, the rule states: If a child plays, the parent must volunteer to man the booth for one game.

Each year he led a class trip to Washington that was so popular that 75 parents volunteered to chaperone 100 kids.

Mr. Hoffman, who expects parents to volunteer once a week, will not brook bad behavior.

For 18 years, parents have also volunteered to teach art twice a month to every child in the school.

Each parent volunteered to teach someone else's child in exchange for their child being taught.