“…Our findings, in terms of students' knowledge level seems to be in line with studies from other countries (e.g., United States, United Kingdom, Mexico, Canada, South Africa, and Korea) focusing on similar school grades (Brody and Koch, 1986;Fortner and Mayer, 1989;Brody, 1996;Rodriguez-Martinez and Ortiz, 1999;Cummins and Snivelly, 2000;Ballantyne, 2004;Kim et al, 2013;Hartley et al, 2015Hartley et al, , 2018. To the best of our knowledge, only a study from Taiwan evidenced a high level of correct answers concerning knowledge of the marine environment (Wen and Lu, 2013). It should be noted though that most of these studies investigated students' knowledge only as a part of assessments addressing also attitudes and often behaviors.…”