In addition to faith, the soul of the studio also needs a team to build a skeleton. After the education, the students followed the teacher.
Generally speaking, two months is enough for an art teacher, even one month is enough, because the last day of class is the embodiment of the level, and the internship period should not be so long with the intensity of work.
According to the labor law, 3 months is normal. If you sign a contract, you can ask for a slightly higher salary during the probation period, or try it for 2 months.