The funeral of the three crash victims was held in Victoria Park, Keighley, on Tuesday evening, and was attended by about 5,000 people.
The ceremony had to be held outside because no mosque in the town could accommodate so many mourners.
Staff and students from Greenhead School were among those present as the three coffins were driven into the park.
The service opened with lessons read by spiritual leader Abu Usamah At-Thahabi, followed by prayers from two imams.
Mourners, who were mostly men, filed past the coffins, which were then driven to Utley Cemetery.
A three-day period of mourning followed when people were able to visit the boys' homes to give their condolences.
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