The Bacău Pedagogical Institute football team was founded in August 1965 by the young coach Corneliu Costinescu.[3]
Starting from the city championship, the representative of Bacău students occupied the 1st place at the end of the 1965–66 season, advancing in Bacău Regional Championship.[3]
The students repeat the performance of the first year, taking the 1st place in the 1966–67 season of the Bacău Regional Championship and qualify to promotion play-off in third division, losing to SUT Galați (1–2 at Galați and 1–1 at Bacău).[3]
Știința won the second season in the Regional Championship finishing 1st and managed to promoted directly, as the promotion play-off was not held, due to the expansion of Divizia C.
In the 1968–69 season, Știința won the Series I of Divizia C, two points ahead of runners-up Foresta Fălticeni and finish 2nd in the promotion play-off, held at București, promoting to second division. The team that take part in the play-off matches included: Enăchiuc, Tacalete - goalkeepers, Boiangiu, Constantin, Cornel Ciocoiu, Corobană, Tascu - defenders, Rotaru, Lucrețiu Avram, Ilarion, Mărgășoiu - midfielders, Mihalache, Pelea, Buterez, Sdrobiș, Popescu, Popovici, Bălan - forwards.[3][4]
In 1975, Știința Bacău and CAROM Onești merged, the first one being absorbed by the second one. After the merge, CAROM was moved to Borzești, a village (now part of Onești) and renamed as CSM Borzești.[5]