Many students do not have a strong foundation on which to build success in school. They do not have the opportunity to receive a good education, including the school has enrolled in the standard.
Many students have a strong foundation upon which to build success in school. They had no chance to get a good education. This includes not enrolled in school standards.
Many students have a strong foundation, which will create success in school. They have no chance of getting a good education Which includes the school in standard.