Please check my sentences if they deliver the correct meaning

I am writing a C.V for my graduate school admission. I would like you to check the following sentences if they correctly deliver the meaning between the parenthesis. Thank you so much.

• 2012: Top 1 Computer Science undergraduate student ( When I got my bachelor degree I got the highest GPA among all computer science department graduates at that semester )
• 2012: Fifth place research paper in "The Third Scientific Conference for students of higher education in K.S.A.", Medina, Saudi Arabia ( our graduation project won the fifth place in that conference )
• 2011: Top 5 student among the college of Computer Science and Engineering ( I was given an award for being one of the top student during that year)
• 2007: Top 2 secondary school Graduate country-wide level with an accumulative average of 99.97% ( I got the second highest accumulative averages after graduating from high school among all students in my country at that year)

• Taught and supervised laboratory work of three advanced courses: Compiler Design, Knowledge-Based Applications, and Assembly Language ( Is it correct to say " laboratory work " when I was responsible to teach the practical part of these courses, all the lectures were on the computer lab)
• Academic advisor for 25 student ( is it advisor or adviser?)
K.S.A." Medina, SA
• Leadership: leaded a graduation project team over two semesters ( is semesters is the correct word?)