Students often use a combination of official "Collèges des Enseignants" and student-made or commercial fiches to optimize their scores.
: Many are organized as "répertoires" or alphabetical indexes of indispensable notions (scores, formulas, and classifications) to allow for rapid access and repeated memorization. Download fiches PrepECN pdf
: Fiches like the Martingale or CODEX condense over 4,000 chapters and 367 program items into manageable reviews. Students often use a combination of official "Collèges
: Specialized sheets focus on different exam formats, including KFP (Key Feature Problems) , script concordance tests, and the new ECOS (Épreuves Cliniques Objectives et Structurées) . Critical Resources for Preparation including KFP (Key Feature Problems)