Students set to return to their regional high school will have to start term three online, after a former student allegedly torched its front office. Emergency services were called to Cowra High School, in the NSW central west, about 7pm on Monday after reports of a fire. Cowra's high school will be closed on what should have been the first day of term three. Cowra High School would not be open to students on what should have been the first day of term three, the school said in a post to parents on its Facebook page on Monday night. Advertisement AdvertisementAdvertisement AdvertisementMonday's fire is the second at a major regional high school in NSW in the past year after Deniliquin High School in the Riverina was targeted in November.