At the 2019 World Aquatics Championships in Gwangju, South Korea in July, Schnell won a bronze medal in the 10 meter platform competition with a score of 364.20 points.

[9] At the 2022 Pac-12 Conference Championships, held at King County Aquatic Center in February 2022, Schnell won the 1 meter diving competition with a score of 332.55 points in the final.

[14][15] On the second day of the 2022 NCAA Division I Championships, Schnell ranked first in the prelims of the 1 meter event with a score of 334.10 points.

[17] She scored 348.40 points during the preliminary round of competition in the 3 meter event on the third day, qualifying for the final ranking seventh.

[21] For her first event of the 2022 World Aquatics Championships, the 10 meter synchronized platform on June 30 in Budapest, Hungary, Schnell won a silver medal, achieving a mark of 299.40 points in the final with her partner Katrina Young.

[29] In the platform event on day four of four, she ranked first in the preliminaries with a score of 334.80 before going on to win the silver medal with a final mark of 325.05, which was 8.05 points behind the gold medalist.