A person reads this and comes back with a number — not an automated estimate. Two or three minutes of your time; everything below the first question is optional except your email.
Some of this is already priced. Core is $59 a month per student and Full Support is $119, less on annual billing, and additional students from the same family are 40% off. If that answers it, the pricing page has the whole table and you can start today without talking to anyone.