PRIOR TO UCF
- Played on the varsity team at Westminster School in Simsbury, Connecticut, for three seasons, totaling 18 goals.
- Scored 11 goals during his senior campaign, a new single-season career high; also accrued six assists throughout his high school tenure, accumulating 42 points in his 53 career matches.
- With Westminster School, Monsee and his teammates advanced as far as the 2023 NEPSAC Playoff Quarterfinals.