Question: In which state of Australia can you find the Yarra Valley, the region surrounding a river by the same name, and where the Mooroolbark College, a government secondary school is situated near the Dandenong Ranges?
Sentence (from "Mooroolbark College"): It has a student population of around 1,160 (fluctuates between 1,100 and 1,200, 1,200 being the max).
Relevant evidence: No