Membership in Jack and Jill is by invitation and is selective. Each chapter has limited membership of around 45, with new members only being admitted when a current member's child graduates from high school. Historically, its members were well-educated professional women, such as academics, doctors, and lawyers, or were the wives of CEOs, doctors, funeral directors, lawyers, ministers, professors, or teachers. In 1978,
The Washington Times noted that the true sign of making it in Washington, D.C.'s Black society was being chosen for membership in Jack and Jill. Children can be members until they graduate from high school but can rejoin after they marry and have their own family. == Philanthropy ==