You can also learn deeper knowledge about photography through higher education. There are some of vocational schools offering that for all kind of students. This is a long-term investment and you need to fully understand the pros and cons before choosing this method.
Pros of the method
1) The courses are very systematic and you will have a thorough knowledge of photography after that
2) You can learn with your classmates
3) The teachers are also experienced
Cons of the method
1) It costs you a lot if you enroll in higher education
2) It also costs you a lot of time—probably years and you will be stuck with that