Boys have outperformed girls at the top A-level grade for the first time since it was introduced in Northern Ireland.
They overtook girls by 0.4% at the A* grade, which was first awarded in 2010.
The performance gap between the genders also narrowed at the A*-A grade boundary, and it follows concerted efforts to address the disparity by education authorities.
There was a small increase in those awarded the top grade, with just under a tenth earning an A*.
Around 30,000 pupils received their A-level and AS results on Thursday morning.
The number of A-level entries declined this year by 5.8%, in line with demographics.
Mathematics was the most popular subject, with one in 10 studying it, closely followed by biology, religious studies, English literature and history.
More than a third of entries involved science, technology, engineering and mathematics subjects. There was a small increase in the overall proportion of Stem entries, up to 40.1% this year.
The proportion taking languages decreased slightly, mainly due to a fall in Spanish entries. Music and performing arts saw an increase.
A new life and health sciences qualification proved popular, particularly with girls. Computing subjects saw a rise in entries.
Justin Edwards, chief executive of the Council for the Curriculum, Examinations and Assessment (CCEA) in Northern Ireland, said: “Once again, Northern Ireland’s students have performed well, with a steady and strong performance across all grades.
“The results are also recognition of the dedication and support provided by teachers and schools.”
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