Is it reliable to study in Quebec Vocational School in Canada for immigration?

Do you mean junior college? If the school is recognized by the state, there is no problem. Studying abroad is an experienced immigrant. Quebec's experience immigration policy is as follows:

Foreign students are eligible to apply as long as they meet the following conditions:

1. Degree or diploma issued by an educational institution recognized by Quebec Education Bureau;

2. Studying in Quebec for at least 1800 hours;

3. Pass the Quebec French Intermediate Examination;