There is only termly Top Brain leaderboard.
Top Brain counts cumulative challenge points earned by a student from the beginning of a term to the last day of a term.
2022 Termly Scoring Period:
Term 1: Week 1-8: 4 Jan to 25 Feb 2022
Term 2: Week 1-8: 21 Mar to 13 May 2022
Term 3: Week 1-8: 27 Jun to 19 Aug 2022
Term 4: Week 1-7: 12 Sep to 4 Nov 2022
If two students have the same challenge points, the one who achieved earlier will be higher.