You really need to talk to your school counselor and get an estimate of your rank(ask for decile), and also assess what is the typical courseload for kids at your HS who have been successful gaining admittance to highly-selective schools on your list. There are high schools where 4.2 weighted is around average and those where it is is within the top20%. Based on the courses you listed, depending on what is offered at your school, your course rigor could be a around average or the hardest path. How you compare on these metrics as well as how your HS has done in the past 3 years with admissions will give you a better baseline of your likelihood of success than any of us can.
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