walking school bus

(名詞) 在一個或幾個大人陪伴和照料下一起走路上學的一群學童。

Participants say the walking school bus has built a greater sense of community. Parents, teachers and volunteers — all on foot — pick up students along a designated route on their way to school. Firefighters, police officers, even Sparky — mascot of the Somerset Patriots baseball team — participate on occasion. As they walk to school in sun, snow and rain, the bus continues to grow.
—Sarah Esteves, "Getting to school on a foot-powered bus," CNN, October 8, 2014

Districts in Hunterdon County are among thousands nationwide doing their part each year by creating "walking school buses" to raise awareness of the issue.

An adult or group of adults begins walking along a designated route, making "bus stops" along the way to pick up other children on their way to classes. …

Last year, more than 700 county students took "walking school bus" routes to school, accompanied by friends, parents and faculty members.
—"Leave the car (and bus) behind and walk to school," NJ.com, September 15, 2015