The courts of coordinate jurisdiction on all matters are the
A. High Court of one State and that of another State
B. Supreme Court and the Court of Appeal
C. Federal High Court and a State High court
D. Customary Court of Appeal
E. Supreme Court of Nigeria and the International Court of Justice

A. High Court of one State and that of another State

Explanation:
Courts of coordinate jurisdiction have the same level of authority on certain matters. The High Court of one state and that of another state are examples of such courts, having equivalent power within their respective jurisdictions.