If I remember correctly, Niche just looks at students who have voluntarily submitted their stats and outcomes to Niche, so it’s not a complete sample. Try looking at the odds-calculators that Prepscholar provides for each school and see if it matches what Niche says.
But also… even the most accurate calculator cannot account for factors that cause significant variability from the aggregate numbers.
At some schools, business majors are a lot harder to get into than other programs. At other schools there isn’t a big difference.
At some schools, international applicants face much longer odds of admission than domestic applicants. At other schools there isn’t a big difference. At a few schools, full-pay international applicants actually have better odds than US applicants.
At some schools, the aggregate numbers are a fiction, because no individual applicant really faces those odds. Either they apply Early Decision and have a reasonable chance, or they apply Regular Decision and have an even lower chance than the aggregate. It’s not unusual for some schools to admit a majority of their class ED, leaving just a small number of spots for a huge number of applicants in the RD round. (UPenn, on your list, is one of these.)
So there’s a lot of context to consider in evaluating the strength of your application to any given school. Since it’s harder for colleges to compare “apples to apples” as far as transcripts, for international applicants, my sense is that standardized test scores become a more important factor, and a 1350 SAT, while it’s very good especially if English isn’t your first language, is below median for a lot of the programs you’re targeting. So, if you can bring that up or get a strong ACT score, that will help you a lot.
Ultimately it doesn’t really matter what reach/match/safety label you put on a given school, as long as you have a well-crafted list with some good back-up choices. My personal opinion is that if you don’t have a 1400+ SAT by the time you apply, you would be wise to add a “super-safety” category to this list and apply to a few sure bets. Your safeties are likely but not slam-dunks.