I think it varies.
If there are relevant competitions in students' community, they can be helpful for them.
Specifically, competition enable students to examine their weak subject, which can give a chance to improve themselves.
By doing so, students can get a personal growth.
However, If there are excessive competitions, they might make adverse effect.
In too much competing situation, students may feel fatigue, exhausted, which cause students to lose interested in study.

I think it varies.
If there are relevant competitions in students’ communities, they can be helpful for them.
Specifically, competitions enable students to examine their weak subjects, which can give them a chance to improve themselves.
By doing so, students can achieve personal growth.
However, if there are excessive competitions, they might have an adverse effect.
In situations with too much competition, students may feel fatigued and exhausted, which can cause them to lose interest in their studies.