Immediately after the opening of the primary school Skënderbeg in Mitrovica she began teaching together with the teachers: Bedri Gjinaj, Melihate Deva-Nura, Ali Gaxha, Ahmet Efendia, Jorgji Shuteriqi and many others.

[2] Paulina Shkreli together with the students and teachers of the "Skënderbeg" school and with the young people of the city, developed an intense cultural-educational and artistic activity.

After the end of World War II, the victory of communism and the re-occupation of Kosovo, the Serbian regime imprisoned Paulina Shkreli and her two friends and collaborators, Melihate Deva and Zehra Zhubi.

They were accused of inspiring young people with patriotic feelings, they were members of the Albanian Youth Organization and collaborators of Bedri Gjinaj and Abdyl Zhubi, etc.

There she married the teacher Gjergj Martini, whom a year later the Yugoslav communist regime sentenced to execution, just because he was a member of the Albanian National-Democratic Organization.