Two Riccarton teams entered the Y11 Chemistry Competition at ARA on Thursday 15 September. From left to right: Patricia Guo, Olivia Singleton, Zhouhaoyi Shen, Daniel Wei, Erica Chung, Vanessa Ye. Photo by Paul Johnson Year 11 Chemistry Competition Paul Johnson — November 3rd, 2016 Two Riccarton High School teams entered the Year 11 Chemistry Competition at ARA on Thursday 15 September. Gallery