Key Dates
Work backward from the published dates
The preliminary forms come first, on January 14, 2027. The full application is due two weeks later.
Checked against Lakeside's published admissions pages on November 5, 2026.
Timeline
Key dates for this admissions cycle.
Work backward from these dates and leave time for drafts, evaluations and testing.
January 28, 2027
Application deadline
This date has passed for the current cycle. New dates appear here once Lakeside publishes them.
January 14, 2027
Preliminary forms due
The preliminary application form and all family-completed PSIS forms are due January 14, 2027.
January 28, 2027
Application deadline
Completed applications for Middle and Upper School are due January 28, 2027.
February 4, 2027
Financial aid deadline
The financial aid application, including supplemental documents, is due February 4, 2027.
February 19, 2027
Upper School decisions
Upper School decisions (grades 9 to 11) are released in Aryval at 4:00 p.m. on February 19, 2027.
February 26, 2027
Upper School enrollment due
Upper School enrollment is due by 12:00 p.m. on February 26, 2027.
March 19, 2027
Middle School decisions
Middle School decisions (grades 6 to 8) are released in Aryval at 4:00 p.m. on March 19, 2027.
March 26, 2027
Middle School enrollment due
Middle School enrollment is due by 12:00 p.m. on March 26, 2027.
- Application opened
- The application for the 2027-28 school year opens September 28, 2026.
- Testing window
- Scores must come from a test taken between September 1, 2026 and January 28, 2027. Lakeside will not accept scores taken before September 2026 and strongly encourages registering no later than December 2026.
- Aid application opens
- The financial aid application opens in Clarity on September 1, 2026.