18:34
【中学受験】誰も言えない、塾に通うことの残酷な真実５選
20:22
5 common traits of parents of children who excel in junior high school entrance exams! What sets ...
22:03
[Study Method] The crucial difference between students who pass their desired school and those wh...
19:44
[Caution] Top 5 Warning Signs that Elementary School Students' Grades are Declining
24:07