The term HIGH MARKS can be broken down into four crossword solutions: IDEALS (6 letters), KUDOS (5 letters), AAAA (4 letters), and APLUSSES (8 letters). IDEALS refers to a set of principles or values that one strives to achieve. KUDOS is an expression of praise or admiration for someone's achievements. AAAA is an acronym for the American Association of Advertising Agencies. APLUSSES is a combination of the words 'APPLAUSE' and 'PLUS, ' and is used to express strong approval or admiration.