No, IELTS is required only for those who get admission, although it helps all family members to obtain residency.

If you have work or study experience in the province of Quebec, you can obtain Canadian permanent residence through the Quebec Experience program

In order to immigrate to Canada through a startup visa, the necessary conditions for yourself and the business you are going to set up in Canada must be met. The requirements for applicants are:Having a minimum score of IELTS General 5;Receive a letter of support from one of the approved sponsoring organizations in Canada;Having at least one year of university education;not having a bad background and having physical health;Having the financial ability to pay for yourself and your family's living expenses for at least 6 months in Canada.

Be admitted to one of the accredited Canadian educational institutions with a DLI number; have sufficient financial ability to cover the expenses of one year of study and living in Canada; Do not have a bad background; Be physically healthy; Prove to the officer that you will return to your country after completing your studies.

For your children between 6 and 18 years old, you can get academic admission from Canadian schools and then get a Canadian student visa for them from the Canadian Immigration Office. You can also get a tourist visa as your child's companion and after entering Canada, change your tourist visa to a study visa or a work visa under certain conditions.