Houston's Major School Holidays and Test Dates 2026-2027

Whether you are planning out your timetable for extracurricular activities or your preparations for the ISEE, SAT, ACT, or AP exams, please keep the following dates in mind.

Houston ISD Major Dates and Holidays

2026

August 10 – First Day of School
September 7 – Labor Day
October 9 – Fall Holiday
November 23-27 – Thanksgiving Holiday
December 21 – January 4 – Winter Break

2027

January 18 – Martin Luther King, Jr. Day
February 15 – President’s Day
March 8-12 – Spring Break
March 26 – Spring Holiday
May 28 – Last Day of School
May 31 – Memorial Day

View the full calendar at HoustonISD.org

Spring Branch ISD Major Dates and Holidays

2026

August 13 – First Day of School
September 7 – Labor Day
October 9-12 – Fall Holiday
November 3 – Fall Holiday
November 23-27 – Thanksgiving Holiday
December 21 – January 4 – Winter Break

2027

January 18 – Martin Luther King, Jr. Day
February 15 – President’s Day
March 8-12 – Spring Break
March 26 – Spring Holiday
May 26 – Last Day of School
May 31 – Memorial Day

View the full calendar at SpringBranchISD.com

Private School Application Deadlines

2026

August 28 – St. Johns (Kindergarten)
September 18 – Kinkaid (Pre-K and Kindergarten)
October 23 – St. John’s (Classes 1-4)
October 30 – Awty (Primary)
November 20 – Awty (Secondary)
- ISEE scores due January 14, 2027
December 1 – Annunciation Orthodox School
- ISEE scores due January 17, 2027
December 2 – Kinkaid (Grades 1-12)
- ISEE scores due January 11, 2027
December 2 – Second Baptist (Grades Pre-K 4-9)
- ISEE scores due January 15, 2027
December 4 – St. John’s (Classes 5-11)
- ISEE scores due January 8, 2027
December 5 – Episcopal HS
- ISEE scores due January 16, 2027
December 10 – St. Mark’s
- ISEE scores due January 15, 2027
(Tentative) December 14 – St. Agnes
- ISEE scores due February 1, 2027
(Tentative) December 14 – Presbyterian
- ISEE scores due January 15, 2027
(Tentative) December 16 – Emery/Weiner
- ISEE scores due January 28, 2027

2027

January 15 – Strake Jesuit
- ISEE scores due January 31, 2027
January 15 – St. Thomas High School
- ISEE scores due January 31, 2027
January 15 – St. Thomas’ Episcopal
- ISEE scores due February 1, 2027
January 16 – John Cooper

Dates are from the school websites. This list is not exhaustive.

ISEE Popular Test Dates

Popular ISEE Test dates

November 7
November 14
December 5
December 12
January 9

Registration will open on August 1st.

Register online at ERBLearn.org

SAT & PSAT Test Dates

2026

August 22 (register by August 7)
September 12 (register by August 28)
October 3 (register by September 18)
November 7 (register by October 23)
December 5 (register by November 20)
October 7 (PSAT SBISD)
October 7 (SBISD)
Week of October 14 (PSAT HISD)
Week of October 22 (HISD)

2027

March 3 (SBISD)
April (HISD)
March 6 (register by February 19)
May 1 (register by April 16)
June 5 (register by May 21)

Register online at CollegeBoard.org

ACT Test Dates

2026

September 19 (register by August 14)
October 17 (register by September 11)
December 12 (register by November 6)

2027

February 27 (register by January 22)
April 10 (register by March 5)
June 12 (register by May 7)
July 10 (register by June 4)

Register online at ACT.org

Historically, College Board always hosts AP tests during the two weeks following the May SAT date. Though the following course assignments are still subject to change the preliminary dates for each exam will be listed below.

At this time, College Board has yet to announce the 2027 AP Exam dates.

College Board Exam Dates page.

IB Exams Date Schedule PDF.

Friday, April 23, 2027
- Morning
  - No exams
- Afternoon
  - School-based syllabus SL paper 1
  - Language & culture SL paper 1
Monday, April 26, 2027
- Morning
  - School-based syllabus SL paper 2
  - Language & culture SL paper 2
- Afternoon
  - Language A Literature HL paper 1
  - Language A Literature SL paper 1
  - Language A Language & Literature HL paper 1
  - Language A Language & Literature SL paper 1
  - The above exams exclude English, French & Spanish
Tuesday, April 27, 2027
- Morning
  - Language A Literature HL/SL paper 2
  - Language A Language & Literature HL/SL paper 2
  - The above exams exclude English, French & Spanish
- Afternoon
  - Business management HL/SL paper 1
  - Business management HL paper 3
Wednesday, April 28, 2027
- Morning
  - Business management HL paper 2
  - Business management SL paper 2
- Afternoon
  - Physics HL paper 1 (1a and 1b)
  - Physics SL paper 1 (1a and 1b)
  - Sports, exercise & health science HL paper 1 (1a and 1b)
  - Sports, exercise & health science SL paper 1 (1a and 1b)
Thursday, April 29, 2027
- Morning
  - Physics HL paper 2
  - Physics SL paper 2
  - Sports, exercise & health science HL paper 2
  - Sports, exercise & health science SL paper 2
- Afternoon
  - Psychology HL/SL paper 1
  - Psychology HL/SL paper 2
Friday, April 30, 2027
- Morning
  - Psychology HL paper 3
- Afternoon
  - Computer science HL paper 1
  - Computer science SL paper 1
  - Environmental systems & societies HL paper 1
  - Environmental systems & societies SL paper 1
Monday, May 3, 2027
- Morning
  - Computer science HL paper 2
  - Computer science SL paper 2
  - Environmental systems & societies HL paper 2
  - Environmental systems & societies SL paper 2
- Afternoon
  - History HL/SL paper 1
  - History HL/SL paper 2
Tuesday, May 4, 2027
- Morning
  - History HL paper 3
- Afternoon
  - Language B HL paper 1
  - Language B HL paper 2 – Reading comprehension
  - Language B SL paper 1
  - Language B SL paper 2 – Reading comprehension
  - Language ab initio SL paper 1
  - Language ab initio SL paper 2 – Reading comprehension
  - The above exams exclude English, French & Spanish
  - Latin HL paper 1
  - Latin SL paper 1
Wednesday, May 5, 2027
- Morning
  - Language B HL paper 2 – Listening comprehension
  - Language B SL paper 2 – Listening comprehension
  - Language ab initio SL paper 2 – Listening comprehension
  - The above exams exclude English, French & Spanish
  - Latin HL paper 2
  - Latin SL paper 2
- Afternoon
  - Chemistry HL paper 1 (1a and 1b)
  - Chemistry SL paper 1 (1a and 1b)
  - Design technology HL paper 1
  - Design technology SL paper 1
Thursday, May 6, 2027
- Morning
  - Chemistry HL paper 2
  - Chemistry SL paper 2
  - Design technology HL paper 2
  - Design technology SL paper 2
- Afternoon
  - English A Literature HL paper 1
  - English A Literature SL paper 1
  - English A Language & Literature HL paper 1
  - English A Language & Literature SL paper 1
  - English B HL paper 1
  - English B HL paper 2 – Reading comprehension
  - English B SL paper 1
  - English B SL paper 2 – Reading comprehension
  - English ab initio SL paper 1
  - English ab initio SL paper 2 – Reading comprehension
Friday, May 7, 2027
- Morning
  - English A Literature HL/SL paper 2
  - English A Language & Literature HL/SL paper 2
  - English B HL paper 2 – Listening comprehension
  - English B SL paper 2 – Listening comprehension
  - English ab initio SL paper 2 – Listening comprehension
  - Literature & performance SL paper 1
- Afternoon
  - Geography HL paper 1
  - Geography SL paper 1
  - Philosophy HL paper 1
  - Philosophy SL paper 1
  - Social & cultural anthropology HL paper 1
  - Social & cultural anthropology SL paper 1
Monday, May 10, 2027
- Morning
  - Geography HL/SL paper 2
  - Geography HL paper 3
  - Philosophy HL/SL paper 2
  - Philosophy HL paper 3
  - Social & cultural anthropology HL paper 2
  - Social & cultural anthropology SL paper 2
- Afternoon
  - Biology HL paper 1 (1a and 1b)
  - Biology SL paper 1 (1a and 1b)
Tuesday, May 11, 2027
- Morning
  - Biology HL paper 2
  - Biology SL paper 2
- Afternoon
  - Economics HL/SL paper 2
  - World religions SL paper 1
Wednesday, May 12, 2027
- Morning
  - Economics HL paper 1
  - Economics HL paper 3
  - Economics SL paper 1
  - World religions SL paper 2
- Afternoon
  - Classical Greek HL paper 1
  - Classical Greek SL paper 1
  - Spanish A Literature HL paper 1
  - Spanish A Literature SL paper 1
  - Spanish A Language & Literature HL paper 1
  - Spanish A Language & Literature SL paper 1
  - Spanish B HL paper 1
  - Spanish B HL paper 2 – Reading comprehension
  - Spanish B SL paper 1
  - Spanish B SL paper 2 – Reading comprehension
  - Spanish ab initio SL paper 1
  - Spanish ab initio SL paper 2 – Reading comprehension
Thursday, May 13, 2027
- Morning
  - Classical Greek HL paper 2
  - Classical Greek SL paper 2
  - Spanish A Literature HL/SL paper 2
  - Spanish A Language & Literature HL/SL paper 2
  - Spanish B HL paper 2 – Listening comprehension
  - Spanish B SL paper 2 – Listening comprehension
  - Spanish ab initio SL paper 2 – Listening comprehension
- Afternoon
  - Mathematics: analysis and approaches HL paper 1
  - Mathematics: analysis and approaches SL paper 1
  - Mathematics: applications and interpretation HL paper 1
  - Mathematics: applications and interpretation SL paper 1
Friday, May 14, 2027
- Morning
  - Mathematics: analysis and approaches HL paper 2
  - Mathematics: analysis and approaches SL paper 2
  - Mathematics: applications and interpretation HL paper 2
  - Mathematics: applications and interpretation SL paper 2
- Afternoon
  - Digital Society HL paper 1
  - Digital Society SL paper 1
  - Global politics HL/SL paper 1
  - Global politics HL/SL paper 2
Monday, May 17, 2027
- Morning
  - Digital Society HL/SL paper 2
  - Digital Society HL paper 3
  - Global politics HL paper 3
- Afternoon
  - French A Literature HL paper 1
  - French A Literature SL paper 1
  - French A Language & Literature HL paper 1
  - French A Language & Literature SL paper 1
  - French B HL paper 1
  - French B HL paper 2 – Reading comprehension
  - French B SL paper 1
  - French B SL paper 2 – Reading comprehension
  - French ab initio SL paper 1
  - French ab initio SL paper 2 – Reading comprehension
Tuesday, May 18, 2027
- Morning
  - French A Literature HL/SL paper 2
  - French A Language & Literature HL/SL paper 2
  - French B HL paper 2 – Listening comprehension
  - French B SL paper 2 – Listening comprehension
  - French ab initio SL paper 2 – Listening comprehension
- Afternoon
  - Mathematics: analysis and approaches HL paper 3
  - Mathematics: applications and interpretation HL paper 3

STAAR Testing

HISD

April 5-16 – Grades 3-8 Reading Language Arts, English 1, English 2
April 12-23 – Grade 5 Science, Grade 8 Science, Grade 8 Social Studies, Biology, U.S. History
April 19-30 – Grades 3-8 Mathematics, Algebra 1

HISD has yet to release the exact dates for their 2026-2027 examination period.

View 2026-2027 Texas assessment dates.

SBISD