This paper presents a feedback on a new core course on "Systems modeling-Model representations and analysis" of the new curriculum of CentraleSupélec. Dedicated to all the first year students, this course stands as the main prerequisite for an important part of the curriculum. Thus its fruition is essential. Multiple challenges have been overcome: (i) propose a high level academic program for more than 800 engineering students with initial heterogeneous levels in systems modeling; (ii) make the course easy-understandable and attractive for students, while allowing interactions students-to-students and students-to-professors; (iii) guarantee the consistency with the entire curriculum; (iv) manage the time constraints imposed by the course schedule.