Most colleges require or expect 4 years of English in high school. Some might make exceptions, but mainly if the student has completed something higher level (e.g. non-remedial college English courses, high enough AP English score), but it is best not to plan on that at this stage.
Some colleges, like California and South Dakota publics, require a year of high school visual or performing art. Arizona publics require either art or career / technical education.
If her practice PSAT testing indicates being in range of the National Merit qualifying score for Alaska (last year’s NM Semifinalist threshold was 214, calculated by adding double the RW score to the math score, then dividing that sum by 10), then it may be worth taking the PSAT in 11th grade if any National Merit Semifinalist or Finalist scholarships are of interest (some of them can be quite large, as in full tuition to full ride).
Data science may be of interest, although if she is more technically oriented in CS, math, and statistics, some college data science majors may not be technical enough (so a major in CS, math, and/or statistics may be a better fit in that case, using out-of-major electives for biology, ecology, etc. areas of application interest).
At many colleges at the selectivity level of popular state flagships, CS can be a more competitive major for frosh admission, or changing into or declaring the major after enrolling as undeclared or in another major.
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Some are large, but some are small. However, if $14k per year is the price limit, WUE tuition + living expenses will likely exceed that in the absence of additional scholarships.