"The idea of icons is to be a little window in heaven. People say Catholics worship idols and things like that, but that's not true.
"We look through the window to the reality beyond."
Parents and members of the public also contributed to the exhibition, and a work by Laisney's colleague, Father Ian Balko, was included.
Winners were chosen in the senior and junior categories.
"The works weren't just done here at school, the students were working on them at home as well," Laisney said.
"One of the parents is a bit of an artist himself, but he insisted that his son do his own work. He said 'you do the work, not me'.
"Patience and perseverance are two key elements of doing something like this.
"Some people are very gifted, but even the great artists had to have that."
