I would be interested in having skiing lessons too so as to improve my level which I consider is not very high.

so 在这里是副词，表示"如此"或"这样"的程度。 as 在这里是介词，表示"作为"或"以...的方式"。 to 是不定式符号，用于引出动词原形。 so as to 是一个固定搭配，表示"以便"或"为了"，用来引导目的状语，说明做某事的目的或意图。