Supreme Court

The Supreme Court is the highest court in the federal judiciary, created by Article III of the Constitution, with the power of judicial review to strike down laws and executive actions that violate the Constitution, making it a central check in the separation-of-powers system (AP Gov Units 1-3).

Verified for the 2027 AP US Government examLast updated June 2026

What is the Supreme Court?

The Supreme Court is the only court the Constitution actually creates by name. Article III sets it up as the top of the federal judiciary, and Federalist No. 78 makes the case for why an independent court with life-tenured justices is safe to have around (Hamilton called it the "least dangerous" branch because it has neither the sword nor the purse). Its defining power, judicial review, lets it declare acts of Congress, the president, or the states unconstitutional. That power isn't written in the Constitution; the Court claimed it in Marbury v. Madison (1803), and AP Gov treats that case as the foundation of everything the Court does.

In practice, the Court hears cases mostly on appeal, decides them using stare decisis (following precedent), and sometimes overturns precedent when its ideological makeup shifts through new presidential appointments. Because justices serve for life, the Court can hand down unpopular decisions without worrying about reelection. That independence is exactly what makes it powerful, and exactly what fuels the judicial activism vs. judicial restraint debate you need to know for the exam.

Why the Supreme Court matters in AP Gov

No single institution shows up in more places on the AP Gov CED than the Supreme Court. In Unit 1, it drives the federalism story, since Court interpretations of the Commerce Clause, Necessary and Proper Clause, and Fourteenth Amendment shift power between Washington and the states (AP Gov 1.8.A). In Unit 2, Topics 2.8-2.11 are basically a four-topic deep dive into the Court itself, covering judicial review (AP Gov 2.8.A), stare decisis and legitimacy (AP Gov 2.9.A), life tenure and independence (AP Gov 2.10.A), and how Congress and the president can fight back through amendments, new legislation, jurisdiction-stripping, and appointments (AP Gov 2.11.B). In Unit 3, almost every civil liberties and civil rights topic is framed as "explain the extent to which the Supreme Court's interpretation reflects a commitment to..." some value, whether that's free speech (AP Gov 3.3.A), religious liberty (AP Gov 3.2.A), or gun rights (AP Gov 3.5.A). If you understand how the Court works, half the course clicks into place.

How the Supreme Court connects across the course

Judicial Review (Unit 2)

Judicial review is the Supreme Court's signature move. It's the power to void laws and executive actions as unconstitutional, established in Marbury v. Madison and defended in Federalist No. 78. Every "the Court struck down..." sentence in this course is judicial review in action.

Selective Incorporation & the 14th Amendment (Unit 3)

The Court is the engine of incorporation. It used the Fourteenth Amendment's due process clause to apply Bill of Rights protections to the states one right at a time. McDonald v. Chicago (2010) is the required case here, incorporating the Second Amendment.

Constitutional Interpretations of Federalism (Unit 1)

The balance of power between national and state governments isn't fixed; it moves every time the Court reinterprets the Commerce Clause or Necessary and Proper Clause. McCulloch v. Maryland expanded national power, while U.S. v. Lopez pushed back toward the states.

Checks on the Presidency (Unit 2)

The Court checks presidents (think United States v. Nixon), but presidents check the Court right back through nominations. A president's life-tenured judicial appointments are their longest-lasting influence on policy, often outliving the administration by decades.

Is the Supreme Court on the AP Gov exam?

The Supreme Court is everywhere on the AP Gov exam. Multiple-choice questions test whether you understand its powers and limits, with stems like "the Supreme Court's ability to impact policymaking is MOST directly limited by" (answer territory: it can't enforce its own rulings and depends on the other branches and states for implementation). The big one is FRQ 3, the SCOTUS Comparison question, which gives you a non-required case (like the 2023 prompt about Ohio's school voucher program) and asks you to compare its facts, constitutional clause, and holding to one of the 15 required cases. SAQs also use Court rulings as stimuli, like the 2015 question on Bush v. Vera (redistricting and equal protection) and the 2022 question on United States v. Eichman (flag burning and symbolic speech). To score, you need to identify the constitutional provision at stake, explain the Court's reasoning, and connect the holding to a principle like federalism, selective incorporation, or checks and balances.

The Supreme Court vs Appellate Court

The Supreme Court is an appellate court, but it's not the only one. The U.S. Courts of Appeals (circuit courts) are the middle tier of the federal judiciary and hear thousands of appeals a year. The Supreme Court sits above them, chooses its own cases by granting certiorari to fewer than 100 per year, and is the only court whose precedents bind every other court in the country. It also has original jurisdiction in a few situations (like disputes between states), which circuit courts never have.

Key things to remember about the Supreme Court

  • Article III of the Constitution creates the Supreme Court, and Federalist No. 78 argues that an independent judiciary with life tenure protects the Constitution from the other branches.

  • Judicial review, established in Marbury v. Madison (1803), lets the Court strike down laws and executive actions, but the power comes from precedent, not the constitutional text.

  • Life tenure lets justices issue controversial rulings without political pressure, which is why both judicial independence and judicial activism are debated (AP Gov 2.10.A and 2.11.A).

  • The Court is checked too: Congress can pass new legislation or strip jurisdiction, amendments can override rulings, appointments can shift the Court's ideology, and presidents or states can slow-walk implementation (AP Gov 2.11.B).

  • Stare decisis means the Court usually follows precedent, but ideological shifts from new appointments can lead it to overturn past decisions.

  • In Unit 3, the Court is the main character, since selective incorporation, First Amendment cases, and civil rights rulings all turn on how the justices interpret the Constitution.

Frequently asked questions about the Supreme Court

What is the Supreme Court in AP Gov?

It's the highest federal court, created by Article III, with the power of judicial review to declare laws and executive actions unconstitutional. AP Gov covers it directly in Topics 2.8-2.11 and through its rulings across Units 1 and 3.

Is the Supreme Court's power of judicial review actually in the Constitution?

No. Article III creates the Court but never mentions judicial review. The Court claimed that power itself in Marbury v. Madison (1803), and Federalist No. 78 supplied the argument for it. The exam loves this distinction.

Can Congress overturn a Supreme Court decision?

Sometimes. Congress can pass new legislation to modify a ruling's impact or limit the Court's appellate jurisdiction, and a constitutional amendment can override a decision entirely. But a ruling based on the Constitution itself can only be undone by amendment or by the Court reversing its own precedent.

How is the Supreme Court different from a Court of Appeals?

Courts of Appeals must hear appeals from district courts in their circuit, while the Supreme Court picks its cases by granting certiorari to fewer than 100 per year. SCOTUS rulings also bind every court in the country, and it alone has original jurisdiction in cases like disputes between states.

What's the difference between judicial activism and judicial restraint?

Judicial activism means using judicial review to overturn existing precedent or invalidate legislative and executive acts, while judicial restraint means sticking closely to existing constitutional and case precedent. AP Gov 2.11.A asks you to explain how this debate fuels arguments about the Court's power.