Cedar extravaganza By Staff Reporter - Dec 4, 2019 Share on Facebook Tweet on Twitter Matriculant Joshwin Dyson. Cedar High School recently held its matric ball. 1 of 5 Matriculant Joshwin Dyson. Matriculants Matthew Scheepers and Joshwin Dyson. Matriculant at Cedar, Keanu Smith. Joshwin Dyson, second from left, with his co-stars, from left, Gershwin Mias, Robyn Rossouw and Cantona James from the Afrikaans series on KykNet, Arendsvlei. Matriculants, Joshwin Dyson and Ghusain Gallie.