Minority and low-income students are less likely to take a core curriculum defined as four years of English and three or more of math and the sciences that would help them prepare to do well on the exam.
But inspectors warned that GCSE teaching focused on achieving good exam results and that this did not always prepare pupils for study at a more advanced level.
CPAs, attorneys, enrolled agents and others who prepare tax returns must register with the IRS. Plus, paid preparers must pass a competency exam to be recognized as a registered tax return preparer.