A certificate is an honorary title, which is usually awarded by the relevant departments or organizations to those children who have outstanding performance, outstanding quality and correct moral behavior. Three-good students refer to students who have good performance in study, thought, morality and daily behavior.
Certificates Virtuous Teenagers and Miyoshi Students respectively affirmed students' outstanding performance from different aspects, but they are not exactly the same. No matter what kind of honorary title you get, you need students to do well in morality, study and behavior.