This was a descriptive study investigating the potential positive effect of metacognitive ability on learning achievement and skill performance. The participants' average metacognitive ability score was 3.40, with 24 participants having high ability (29.6%), 25 moderate ability (30.9%), and 32 low ability (39.5%). At posttest, no significant differences in learning achievement by metacognitive ability group were observed (F = 0.96, p = 0.3873). In contrast, at posttest for skill performance, I found significant differences by metacognitive ability group (F = 3.69, p = 0.029). Post-hoc analysis demonstrated that the high metacognition group had higher skill performance scores than did the moderate group.