Dear Sir

1.. My plan / start / course / next term / be grateful / you / kind enough / provide / certain / essential information.
=> My plan is to start the course next term, I would be very grateful if you are kind enough to provide me with certain essential information
2.. First / what qualifications / I / need / follow / course of study / your high school?
=> First what qualifications do I need to follow the course of study of your high school?
3.. I / be going / finish / secondary school / end / this year / but / wonder / be / further academic requirements.
=> I am going to finish the secondary school at the end of this year but I wonder if there are any further academic requirements
4.. Secondly / how much / tuition fees?
=> Secondly, how much are the tuition fees?
5.. Although / intend / self-supporting / be interested / know / be / scholarships / avaiable / international students.
=> Although I intend to be self-supporting, I am interested in knowing if there are any scholarships available for international students.
6. Thirdly / what / situation / regards / accommodation?
=> Thirdly, what is the situation in regard to the accommodation?
7. Prefer / single room / which / more conducive / studying / but if / expensive / be will / share.
=> I prefer to stay in the single room which is more conducive for studying but if it is so expensive, I am willing to share with other students
8. I / forward / your reply / and / attend / esteemed institution.
=> I am looking forward to your reply and attending your esteemed institution