I am a high school student; the third part of the 6.002x has really caught my interest. It builds upon material covered in part 1 (6.002.1x) and part 2 (6.002.2x), which by themselves are outstanding courses. All the course material, i.e. Handouts, Videos, Practice Problems, Homework etc. are of excellent quality. The free Textbook provided with the course "Foundations of Analog and Digital Electronic Circuits", co-authored by one of the course instructors, Dr. Anant Agarwal, provides really good reading material. All credit goes to the instructors. The course emphasizes on real world applications. I have just completed the course with final grade 100%, and had to work really hard for it. I would suggest that you go for the course, as it will really benefit you. As an extra benefit, it will help you to consolidate concepts of Maths and Physics. A must do course!