- School Desegregation
- Schools and School Districts
- Scienter
- Scientific Evidence
- Scintilla
- Scire Facias
- Scope of Employment
- Scopes Monkey Trial
- Scorched-Earth Plan
- Seabed Arms Control Treaty of 1971
- Seal
- Seal of the United States
- Sealed Verdict
- Search and Seizure
- Search Warrant
- Seasonable
- Seat Belts
- SEC
- Secession
- Second Amendment
- Second Look Doctrine
- Secondary Authority
- Secondary Boycott
- Secondary Evidence
- Secondary Meaning
- Secret Service
- Secretary of State
- Section 1983
- Section (Definition)
- Secure
