We need an approximate percentile rank in your class. 4.2 UW could be top 5% at some schools, top 25th% or even lower at others, since every school has different weighting systems. If your percentile rank is top 5th%, your GPA is high enough to meet the bar for anywhere, as is your SAT - then the question is whether or not the school wants you for other reasons. If it’s top 25%, then only if you’re a recruited athlete, in which case you’d pass the academic pre-read.
If there is ANY way that you can become a recruited athlete for volleyball at this late time, that is the way to go to get into a highly selective school. Otherwise, your record looks great, but there is nothing that sets you apart from all the other students with great records.
If you do not want to go the recruited athlete route, or if it’s too late, then sure, go ahead and pick out a few reaches, but you’re not likely to get into them (that’s why they’re reaches). You need to focus on safeties and matches at this point, since that’s where you’re probably going to go.
MONEY. Can your family afford >360K for your undergrad? Do they make enough that you wouldn’t qualify for fin aid? Do they make so little that you’d qualify for a ton of fin aid? Honestly, this is probably the first consideration by a mile. Time to have a very frank discussion with your parents about finances, what they can afford, what they WANT to afford. Lots of families who can afford full fare don’t want to pay full fare, and with your record and CA residency, you have lots of cheap in-state options, and would have lots of big merit money options, potentially.
But the answer to your question. Stanford and Brown are very remote reaches for you, as they are for most of the students who apply, even valedictorians with perfect SATs and impressive ECs. Your best bet at acceptance to a highly selective school is to use recruited athlete status as a hook, if it’s not too late to do so, and you need to consider the most important factor, which is whether a school is financially feasible for you and your family.