Most of what Mommamia2 said fits what I know about Sharfman’s. I would just add 2 qualifications:
1. Even though it’s a very growth-oriented place,they give the girls a lot of freedom to make their own choices about things.
2. Even though it’s not as academic as Michlalah, I have known girls who were very bright who went there and were happy there.
However, the above information is based on what Sharfman’s was like over 20 years ago, so you would have to check if it’s still true. I do recall that the freedom thing was an essential part of the school’s philosophy. That is the reason that the girls lived in regular apartments as opposed to a dorm. They also had to make all of their own meals.