Cheapest? Easiest? RA degree(s) in USA?

[dfrecore]

If you live in TX, then one of the CBE degrees from there might be cheaper than UMPI.

But, since you asked about high school students:
1) UMPI YourPace can't be started until you're 20
2) TESU can't be completed until you're 18 with a waiver (normally 20)
3) EU can't be completed until you graduate from high school

Obviously you can START the process of getting alt-credit sooner, but you can't graduate from these schools until you meet the minimum age requirement.

Did I mention high school students?  Maybe a different post?

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From your original post: "I know this is subjective but for scale, easy would be defined by being open book, or almost anyone would at least pass, or wouldn't be too challenging for an average high schooler with good grades."

Sounded like you were talking about someone in high school, not a high school graduate.