Overview
What it is
American schooling runs from pre-kindergarten through grade 12 (“K-12”), organized into levels — but the exact grade spans vary by district. Here's a plain-English map of how it's structured, plus the common terms families run into.
Types & Options
Types & options
- Pre-K & Transitional Kindergarten (TK)Optional early years before kindergarten (see our early-childhood guides).
- Elementary schoolUsually kindergarten through grade 5 (sometimes K–4 or K–6); one main teacher per grade.
- Middle school / junior highUsually grades 6–8 (junior high is often 7–8 or 7–9); students rotate between subject teachers.
- High schoolGrades 9–12 — freshman, sophomore, junior, senior — earning credits toward a diploma.
- Other configurationsSome places use K–8 schools, 6–12 schools, or other spans.
Benefits
Why it matters
- Typical agesKindergarten around age 5; grade 12 around age 18
- Grade names in high school9 = freshman, 10 = sophomore, 11 = junior, 12 = senior
- TransitionsThe moves to middle school and high school are big steps — more independence each time
- CreditsHigh school runs on credits earned toward graduation requirements
FAQ
Frequently asked questions
- What does K-12 mean?Kindergarten through grade 12 — the full span of American schooling.
- What grades are elementary, middle, and high school?Roughly K–5, 6–8, and 9–12 — but spans vary by district.
- What's TK?Transitional Kindergarten — an extra year before kindergarten in some states.
- What are the high-school grade names?Freshman (9), sophomore (10), junior (11), senior (12).
- Why do grade spans differ?Districts organize schools differently — some use K–8 or 6–12 models.
At a Glance
Key facts
- SpanPre-K through grade 12 (“K-12”)
- Elementary~K–5
- Middle / junior high~6–8 (or 7–9)
- High school9–12 (freshman–senior)
- NoteExact spans vary by district
Learn More
Where to learn more
Explore the stages and choices: