So she tried something new, discovered she loved it, and since you yourself love that same thing you're withdrawing her from all other outlets to try new things and focusing her on the thing that you love...
Or to put it another way, she tried web-design and liked it, she could have tried a dozen or more other things in high school (social or classes), but now instead you're dropping all of those opportunities, and putting her on this one unified path at the ripe old age of 16.
Online high school might get her a certificate she'll need for college (and certainly if she applies to a CS program all of this will be a benefit) but she is still missing opportunities to discover who she is and what she loves. Plus making friends...
Or to put it another way, she tried web-design and liked it, she could have tried a dozen or more other things in high school (social or classes), but now instead you're dropping all of those opportunities, and putting her on this one unified path at the ripe old age of 16.
Online high school might get her a certificate she'll need for college (and certainly if she applies to a CS program all of this will be a benefit) but she is still missing opportunities to discover who she is and what she loves. Plus making friends...