Don Bosco Secondary School led six secondary schools in the former Tonj State, Manyang Tak Athuai, Director-General in the Ministry of General Education announced.
He declared that Martha Wulongngwau Kook Ring became the first with 89 percent followed by Thomas Ariik Kuol with average of 88.9 percent, Don Bosco Radio reported.
The Director-General said Thomas Majok of Royal Progressive Academy occupied the third position with 88.9 percent.
Tak said Tonj increased in performance and enrolment in 2019 with 322 students compared to 281 candidates who sat for national exams in 2018.
The Director-General appreciated Don Bosco Secondary School for its good performance in national exams every year.
He also encourages other schools to work hard to compete with Don Bosco Secondary School.
Tak encouraged the candidates of 2020/2021 to work hard for their better performance in the coming exams.
The Director-General announced the secondary exams results on Wednesday in Tonj.