Tutoring was helpful for me because I'm normally incredibly lazy, but tutors push me to do work.
I went to Dr Du for years 10-12 for maths. It was an extremely competitive environment because the class was pretty much full of high achievers, and also there was an extremely demanding workload every week, along with weekly quizzes that were really difficult. The coursework was also confusing and I found that I pretty much had to learn it again by myself later in the week in order to complete my homework. That's why I hated it at first, because I felt that I wasn't learning anything and that it was really hard to keep up. But when I started year 12, I got serious about studying. The competitive environment and difficult content started to challenge me in a good way, forcing me to always do my homework and remain consistent about maths. In the end I guess it helped me, but this kind of tutoring environment doesn't exactly suit everyone.
For english I went private tutoring. I really think that english tutoring should be one-on-one, because the individual attention is really valuable. Class tutoring usually consists of going through the content together without much discussion, and even with discussion, your opinion is usually (in my experience with class tutoring) disregarded. I found that this was damaging to english learning, because for a subject that relies so heavily on personal insight, how can you brand a student's opinion as wrong? Anyways that's another discussion. In private tutoring, my tutor encouraged discussion and usually invited some kind of debate and presented a lot of viewpoints. Then we developed on my particular viewpoint into something complex enough for me to write about in my essay.
I experienced two completely different tutoring environments for english and maths. While they gave me the push, the common thing between my experiences is that I ultimately drove my own learning. Like for Dr Du, it was a drive to improve in that competitive environment, rather than be defeated by it. And for my private tutoring, it was my willingness to engage with my own understanding of the content, rather than rely on the class tutors' opinions or on generic booklets that they give out.
What you get out of tutoring is what you make it.