There were also medals at Ponds Forge for fellow city-based swimmers Perry Gardiner and Tom Fannon.
Plymouth University’s Jackson won her gold medal in the women’s 100m freestyle.
Jackson finished nearly a second in front of anyone else in the race, touching in 55.25 seconds.
She also won bronze in the women’s 50m freestyle with a time of 26.05 and took fourth in the 200m event.
University of St Mark and St John student Maurer triumphed in the men’s 50m butterfly final, clocking 24.82.
The young Swizz swimmer follows in the footsteps of Ben Proud and Antony James in winning this event.
Maurer’s Marjon’s team-mate Fannon took silver in the men’s 50m freestyle. He touched in 22.99 to finish behind Heriot-Watt’s David Cumberlidge, who clocked 22.63.
Plymouth University student Perry Gardiner finished second in the men’s 50m backstroke with a time of 26.45. Loughborough’s Dan Cross won in 26.32.
Gardiner then claimed a bronze in the 100m backstroke with a 56.74 seconds swim. He also finished fourth in the 200m backstroke.