The Second Division featured two zones (sometimes as groups), A & B. The first place of each zone heads to the Second Division championships and the winner was crowned Second Division Champions, all of its finals participants qualified into the Premier Division in the following season including Futebol Club Aliança Nacional (Zone A) and Agrosport (Zone B).
Five clubs took part, FC Porto Real did not participated during the season which reduced the number of matches to eight. The competition started in May and finished in October. Sporting won the 2012 title and participated in the national championship match in November. Sporting defeated UDAPB 1–0 in the final match of the season.
The national final[3] match took place on 5 November 2012 at noon. The match featured Sporting from Príncipe and Sporting Praia Cruz, it was the "Sporting" challenge. Every goal were scored in the last few minutes of the match. The first were scored by Remi Lima at the 86th minute, the second was a penalty kick which was scored by Sporting Praia's Jair which tied up the game, at additional time, Remy Lima scored the last two goals[4] and Sporting Príncipe went on to win their second in a row and most recent national title[5] and qualified into the 2013 CAF Champions League.