They returned to school Monday morning to learn the boy was involved in a collision with a van driven by another classmate.
A second longboarder who was on the scene around supper time Friday is also from Rockridge Secondary School.
West Vancouver police say a counselling team is at the school to help students cope with the incident.
The family of the injured 17-year-old boy is requesting privacy and police say his name won't be released.
The cause of the collision is under investigation.
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