"certain level of independence" is correct and usable in written English.
It can be used to describe a situation where someone has some degree of freedom to do something without interference or dependence on others. For example: "The student was given a certain level of independence to complete the project on her own terms."
Once some women reach a certain level of independence, she observes, they fight only for themselves.
"The digitalization of our world, mobile phones and social media have allowed a certain level of independence," said Loren Angelo, general manager for brand marketing at Audi of America in Herndon, Va., part of Volkswagen.
Money can buy you a certain level of independence, and I'm grateful I have the education and means to provide for my family.
A service specification, as described here, involves a set of functions with a certain level of independence from each other and from the service they belong to.
"You need to make connections and gain a certain level of independence during your postdoc if you are going to have a career in academic research," she says.
I stayed probably because I was relatively lucky to work in something that I like and to feel a certain level of independence, although with very limited benefits and resources.
Having amassed a certain level of economic independence affords them the opportunity to leave that race to succeed and temporarily focus on life's more important issues.
I've been trying to achieve a certain level of two-handed independence for about eighteen or nineteen years.
It is also clear that NECs in the Region, except that of Equatorial Guinea, have been in existence for some time implying a certain level of maturity, accumulated experience, and operational independence [ 13].
For some, the open road, oceans, and airways offer a unique independence, but the harsh reality is that a certain level of stability is required of those willing to make the leap.
Studies from these countries report that women wait to have children because they want to establish independence through education, stay active in the labor market [ 1, 2], reach a certain level of maturity, and have a stable partner [ 3].
