More than 50,000 pupils have filled in the survey for the Young TransNet website, which helps kids plan a safe route to school.
A total of 30% of pupils said they would like to cycle to school. The second most popular choice was walking.
The kids said more cycle lanes and less traffic would get them on their bikes.
Too much traffic was also an issue for the kids who wanted to walk.
They also said wider and cleaner pavements would encourage them to stroll to school.
Safe routes
Young TransNet aims to get more kids walking or cycling to school, using safe routes.
If more people did this, there would be fewer cars on the road.
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