Sabrina Sultana Noora, who was killed along with her mother and two other siblings in Gazipur's Sreepur area on April 23, has scored GPA 5 in the Secondary School Certificate (SSC) exams this year.
Noora attended the exams that started on February 3 from HK Academy and School in the district.
Kajol Miah, a resident of Gafargaon upazila in Mymensingh, worked in Malaysia, and his wife and the children lived in their two-storey home in Telihati union.
On April 23, police recovered the decapitated bodies of Kajal's wife Smriti Akhter Fatema, 45, an Indonesian national, eldest daughter Noora, 18, youngest daughter Hawarin, 12, and his disabled son Fadil from the house in Sreepur upazila.
Miscreants slit the throats and raped the mother and the eldest daughter before killing them.