Can I get into University of Toronto or Waterloo for B.Tech CSE in spring intake 2018?

Yes, you are eligible to take SAT after high school. Even after your college graduation, you can appear for SAT exam. There are no restrictions on taking SAT after graduating from any type of institution. There is also no age bar for students as to when are they taking SAT. If you are interested, consider applying well in time before the actual registration date. Even if you come with accommodations, you will have to prove your disabilities. You will still be eligible to take SAT.

Yes, for most of UG programs at University of Illinois at Urbana Champaign, SAT and ACT scores are compulsory. They expect a SAT score between 1420 and 1540 as per the student profile. The ACT requirement is between 31 and 35. Student should submit some necessary documents like transcripts, proof of work experience, and English language requirements.

Yes, Stanford University require SAT or ACT scores from the international students for admission to the UG courses. The university has not mentioned the minimum SAT scores. But, students are advised to have the SAT score between 1470 - 1570 and ACT score between 34-35. Along with this, UG students have to submit the documents like transcripts, LOR, school report, etc. 

As per the official information by the University of Iowa, it is not really mandatory to apply with a SAT score. The students can sumbit the application without it. Although, if the students voluntarily wish to do it the can as it enhances the overall student profile and also raises the admission chances. 

Students can aim for a University of Iowa SAT score of around 1250 to 1350 as its considered really good. 

For undergraduate admission, Humboldt University of Berlin Does not require submission of Act or SAT marks are necessity. You have to provide a German University Entrance Qualification which can be obtained through the German Arbiture or equivalent qualification. But the university also looks into other factors for admissions like strong academic background, English language proficiency requirements, LORs, personal essays extracurricular activities etc.