To apply for  12 admission in Odisha for the academic year 2025 you should know the admission window begins usually in mid may and extends to late June or early July depending on council schedule, many schools and colleges open online admission portals around 15 May and continue till 30 June with late fee option till early July, after that merit lists or seat allocation happens in first week of July and classes start mid july or early August, Odisha Council of Higher Secondary Education or SCERT lists all important dates and process, you fill form with 12th school choice, upload marksheet, caste and domicile proof, then check the merit result and confirm admission by paying fees before deadline, some state colleges follow first come first serve till seats fill up even after counselling, to see specific schedule and guidelines check the admission notification and timeline provided here.

https://school.careers360.com/articles/sams-odisha-plus-2-admission-process