Amos Alexandria Zachariah said the examination was joint to enable the pupils enrol in primary eight next year, Radio Easter reported.
Mr. Alexandria said 2,362 pupils sat for the exams out of which 1578 are boys and 784 girls.
He added that Lasu Payam performed the best, followed by Yei Payam, and that Goli EPC occupied the third position in the County.
He advised the best pupils to continue with the spirit of hard work next year.
Mr Alexandria said the pupils who passed are promoted to P8 next year as the first batch for South Sudan examinations.