School District of Lancaster School Calendar 2026-2027

At a Glance

LSD is an urban school district with 19 schools. For the 2026-2027 school year, classes begin August 18 and end May 26. This calendar includes 7 professional development days, 3 early-release or half days — useful to know when planning childcare. Standardized testing windows: Keystone Exams Testing Window (Algebra I, Biology, Literature) (December 7–December 18); Keystone Exams Testing Window (Algebra I, Biology, Literature) (January 4–January 15); PSSA Testing Window (Grades 3-8 ELA) (April 26–April 30); PSSA Testing Window (Grades 3-8 Math) (May 3–May 7); PSSA Testing Window (Grades 5 & 8 Science) (May 3–May 7); Keystone Exams Testing Window (Algebra I, Biology, Literature) (May 17–May 28). The last day of school is weather-contingent, ranging from March 25 to May 28 depending on how many built-in weather makeup days are used.

Source: School District of Lancaster

Also known as LSD.

Schools in School District of Lancaster

Fulton El Sch (Elementary)
Lafayette El Sch (Elementary)
Ross El Sch (Elementary)
Washington El Sch (Elementary)
Wharton El Sch (Elementary)
Wickersham El Sch (Elementary)
Hamilton El Sch (Elementary)
Jackson MS (Middle)
Reynolds MS (Middle)
Lincoln MS (Middle)
McCaskey Campus (High)
Smith-Wade-El El Sch (Elementary)
Burrowes El Sch (Elementary)
Martin School (Elementary)
Wheatland MS (Middle)
Phoenix Academy (High)
King El Sch (Elementary)
Price El Sch (Elementary)
Carter and MacRae El Sch (Elementary)

School District of Lancaster 2026-2027 School Calendar

All schools

2026-08-18 — First Day (grades K-6; 7-8 Martin only; & 9) (in session)
2026-08-19 — First Day (grades 7-8 @ Jack, Linc, Reyn & Wheat; & 10-12) (in session)
2026-08-11 to 2026-08-13 — Professional Development (closed)
2026-08-17 — Professional Development (closed)
2026-08-14 — Flex Day (closed)
2026-07-02 — Independence Day Holiday (observed) (closed)
2026-09-04 — Labor Day Recess (closed)
2026-09-07 — Labor Day Holiday (closed)
2026-10-09 — Fall Break/Professional Development (closed)
2026-10-12 — Indigenous Peoples Day (closed)
2026-10-13 — Fall Break/Professional Development (closed)
2026-10-26 — First Marking Period Ends (in session)
2026-11-03 — Professional Development (closed)
2026-11-23 — Schools Closed; Conferences (8:30 a.m. to 8 p.m.) (closed)
2026-11-24 — Schools Closed; Conferences (8:30 a.m. to noon) (closed)
2026-11-25 to 2026-11-27 — Thanksgiving Holiday (closed)
2026-12-23 — Early Dismissal for Students (partial)
2026-12-24 to 2026-12-25 — Winter Holiday (closed)
2026-12-28 to 2026-12-30 — Winter Break (limited staff) (closed)
2026-12-31 to 2027-01-01 — New Year's Holiday (closed)
2026-12-07 to 2026-12-18 — Keystone Exams Testing Windows — Algebra I, Biology, Literature (in session)
2027-01-04 to 2027-01-15 — Keystone Exams Testing Windows — Algebra I, Biology, Literature (in session)
2027-01-12 — Second Marking Period Ends (in session)
2027-01-15 — Design & Development Day (closed)
2027-01-18 — Martin Luther King Day Holiday (closed)
2027-02-04 — Schools In Session; Conferences (elementary 4-7:30 p.m.; secondary & Martin 3:30-7 p.m.) (in session)
2027-02-05 — Schools Closed; Conferences (8:30 a.m. to noon) (closed)
2027-02-12 — Professional Development (closed)
2027-02-15 — Presidents Day Holiday (closed)
2027-03-24 — Third Marking Period Ends (in session)
2027-03-25 — Inclement Weather Make-Up Days (closed)
2027-03-26 to 2027-03-29 — Spring Holiday (closed)
2027-04-09 — Professional Development (closed)
2027-04-26 to 2027-04-30 — PSSA Testing Windows — Grades 3-8 English Language Arts (in session)
2027-05-03 to 2027-05-07 — PSSA Testing Windows — Grades 3-8 Mathematics (in session)
2027-05-03 to 2027-05-07 — PSSA Testing Windows — Grades 5 & 8 Science (in session)
2027-05-10 to 2027-05-14 — Make Up Testing (in session)
2027-05-17 to 2027-05-28 — Keystone Exams Testing Windows — Algebra I, Biology, Literature (in session)
2027-05-31 — Memorial Day Holiday (closed)
2027-05-26 — Early Dismissal for Students (partial)
2027-05-26 — Last Student Day (tentative) (partial)
2027-05-27 — Inclement Weather Make-Up Days (closed)
2027-05-28 — Inclement Weather Make-Up Days (closed)
2027-05-27 — Work Day (closed)
2027-06-17 — Juneteenth Holiday (observed) (closed)