If your child is due to start School in September 2018 you are required to apply for a Reception Year school place. Main Round Admissions for Reception year starting in September 2018 will open on Wednesday, 1st November 2017. You may access the online application form from 1st November 2017.
Hampshire County Council provide full detailed information regarding 'How applications are processed'. Within this page, there is a hyperlink to HCC's Co-ordinated Scheme, which describes how applications are processed during the main round. Please refer to this information to assist you with ranking your preferred school places.
As mentioned above, main round applications opened on 1st November 2017. You have until midnight on 15th January 2018 to submit your online application.