Academic CalendarFall Semester 2023
Spring Semester 2024
Summer 2024
Fall Semester 2024
Spring Semester 2025
Summer 2025
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Office Schedule & CalendarOne Schoolhouse is based in Washington D.C., and its office operates on Eastern Time. The office is open from 9:00 a.m. to 4:00 p.m. ET each day. Knowing that many of our students, schools, and families come from many time zones, we make every effort to answer calls after hours as well, though we ask for your patience and understanding if we cannot give you immediate help or information after hours.
The office is closed on most United States holidays, including the below dates. If classes are running during these times, they remain active. 2024 January 15, 2024 – Dr. Martin Luther King Jr. Day (US Holiday) February 19, 2024 – President’s Day (US Holiday) May 27, 2024 – Memorial Day (US Holiday) June 19, 2024 – Juneteenth (US Holiday) July, 4, 2024 - Independence Day (US Holiday) September 2, 2024 - Labor Day (US Holiday) October 14, 2024 – Indigenous People’s Day (US Holiday) November 27-29, 2024 – Thanksgiving (US Holiday) December 23, 2024 – January 1, 2025 – Winter Holiday 2025 January 20, 2025 – Dr. Martin Luther King Jr. Day (US Holiday) February 17, 2025 – President’s Day (US Holiday) May 26, 2025 – Memorial Day (US Holiday) June 19, 2025 – Juneteenth (US Holiday) July 4, 2025 – Independence Day (US Holiday) September 1, 2025 – Labor Day (US Holiday) October 13, 2025 – People’s Day (US Holiday) November 26-28, 2025 – Thanksgiving (US Holiday) December 24 – January 2, 2025 – Winter Holiday |