Grades 1–3: foundations before entrance-exam study

In grades 1–3, consolidate school learning and a manageable home routine. In grade 3, review travel time and family workload before choosing an entrance-exam course.

What the source establishes

Yotsuya Otsuka separates its lower-grade materials from the grade 4–6 series. The grade 4 spring schedule begins in February of grade 3; other providers may differ.