In the United States, the answer varies depending on factors like state regulations, school type, and local community needs. While public schools often follow state-mandated schedules, private schools may have more flexibility in their academic calendars. This flexibility can influence the number of instructional weeks, holidays, and special programs offered throughout the school year.
Most public schools in the U.S. run for approximately 36 weeks, totaling around 180 days of instruction. These guidelines are usually set at the state or district level, ensuring a certain standard of education regardless of location.
Public schools tend to start in late August or early September and end in late May or June, with breaks spaced strategically throughout the year—such as Thanksgiving, winter, and spring breaks. The relatively uniform nature of public school schedules provides consistency for families and helps ensure that all students receive a similar baseline of instructional time.
Private schools, on the other hand, enjoy greater autonomy in shaping their academic calendars. While many private institutions still hover around 36 weeks of instruction, they are not strictly bound by state mandates. This allows them to adjust their schedules for various reasons: professional development days, extended holiday breaks, internships, travel programs, or unique curricular offerings.
For example, prestigious private schools featured on FindSchool’s “Top 50 Private High Schools” list—including Phillips Academy Andover (MA), Phillips Exeter Academy (NH), The Lawrenceville School (NJ), and Choate Rosemary Hall (CT)—often design their academic calendars to reflect their individual educational philosophies. They might incorporate project-based learning weeks, intensives at the end of a term, or additional time for enrichment programs.
Similarly, schools like Trinity School (NY), Harvard-Westlake School (CA), and Sidwell Friends School (DC) may offer specialized periods for advanced research, community service, or international exchange experiences. These variations can slightly alter the number of instructional weeks, making the private school experience more tailored and dynamic.
The most accurate way to determine the exact number of weeks in a school year for any given institution is to consult the school’s official website. We have compiled links to the top 50 private schools in the country for direct access, as well as a comprehensive list of 150 schools nationwide—simply click to visit their websites directly.
Below is a list of the top 50 private high schools according to the FindSchool website. FindSchool’s ranking methodology takes into account a variety of factors including academic achievement, college matriculation rates, faculty expertise, student-to-faculty ratios, available resources, extracurricular activities, and feedback from current students and parents. This comprehensive approach ensures that the listed schools provide exceptional education, strong community values, and promising pathways for future success.
Below is a list of the top 50 private high schools according to the FindSchool website. FindSchool’s ranking methodology takes into account a variety of factors including academic achievement, college matriculation rates, faculty expertise, student-to-faculty ratios, available resources, extracurricular activities, and feedback from current students and parents.
FindSchool’s Top 50 Private High Schools (with References)
Below is the updated list of private schools in the United States, organized by state (and Washington, D.C.), incorporating both the previously listed approximately 200 schools. Some schools may appear multiple times.
Private Schools by State (with References)
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming
Washington, D.C.