International School of AmericaSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for International School of America.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
JAN
8
Winter MAP Testing - HS
JAN
20
STAAR Interim Grades 3-8 and EOC (optional)
JAN
20
STAAR Released Test (optional)
FEB
2
STAAR Stand-Alone Field Test
FEB
17
TELPAS K-12 L&S, R&W window
FEB
17
TELPAS Alternate 2-12 L, S, R & W window
MAR
2
STAAR Alternate 2 preview window
MAR
16
STAAR Alternate 2 assessment window
APR
27
Spring MAP Testing - HS
MAY
4
Advanced Placement (AP) Testing
MAY
4
Spring MAP Testing - ES/MS (Castle Hills- Apr. 30-May 15)
MAY
18
Credit-by-Exam Gr. K-5
MAY
20
Credit by Exam Graduating Seniors Only
JUN
3
Credit-by-Exam Gr. 6-12 (including LOTE)
JUN
16
STAAR EOC English I, English II, Algebra I, Biology & U.S. History window
MAY
22
Last Day for Graduating Seniors
MAY
29
Last day of school
APR
7
STAAR Grades 6-8 Reading Language Arts / STAAR EOC English I
APR
9
STAAR EOC English II
APR
14
STAAR Grades 3-5 Reading Language Arts / STAAR Grades 8 Science / STAAR EOC Biology
APR
16
STAAR Grade 8 Social Studies / STAAR EOC U.S. History
APR
17
Deadline for STAAR 3-8 RLA make-up / Deadline for EOC English I & English II make-up
APR
21
STAAR Grades 5 Science / STAAR Grades 6-8 Math / STAAR EOC Algebra I
APR
23
Deadline for Gr. 5/8 Science & Gr. 8 Soc. Studies make-up / Deadline for EOC Biology & U.S. History make-up
APR
24
Battle of Flowers
APR
28
STAAR Grades 3-5 Math
MAY
1
Deadline for Gr.3-8 Math & EOC Algebra I make-up
MAY
22
Last Day for Graduating Seniors
MAY
25
Memorial Day
MAY
29
Last Day of Classes
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!