Brennan High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Brennan High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAR
20
National FIRST Robotics Day
MAR
21
STEAMfest at JSEA
MAR
21
Los Leones Art Festival at O'Connor HS
MAR
21
FIRST LEGO League Challenge Robotics Championships
MAR
24
Regular Board Meeting
MAR
25
Elementary Educators of the Year
MAR
26
Secondary Educators of the Year
MAR
28
Esports Qualifiers
MAR
28
Special Education Resource Fair & Learning Expo
MAR
31
Cesar Chavez Day
APR
1
Paraprofessional Appreciation Day
APR
1
College Readiness Exams
APR
2
World Autism Awareness Day
APR
3
No School
Holiday (Schools/Offices Closed)
APR
6
No School
Holiday (Schools/Offices Closed)
APR
7
School Librarian Appreciation Day
APR
10
Fine Arts Fest
APR
11
Fine Arts Fest
APR
11
Solar Car Races
APR
14
Called Board Meeting
APR
15
Purple Up for Military Kids Day
APR
15
Partner of the Year Celebration
APR
16
Fiesta of Words at Marshall HS
APR
18
Esports Championship
APR
18
Junior VASE at Harlan HS
APR
22
Earth Day
APR
22
Administrative Professionals Day
APR
24
No School
Holiday (Schools/Offices Closed)
APR
28
Regular Board Meeting
APR
28
School Bus Driver Appreciation Day
APR
29
NISD Clinical Teacher Celebration
APR
30
Great Book Giveaway
APR
30
Great Book Giveaway at Brennan and Holmes HS
MAY
1
School Principals Day
MAY
1
School Lunch Hero Day
MAY
2
Together We Sing
MAY
2
Project ACORN Student Showcase
MAY
2
Electrify Your Strings
MAY
6
National School Nurse Day
MAY
8
School Communicators Day
MAY
12
Called Board Meeting
MAY
13
Employee Recognition & Retirement Celebration
MAY
16
Storyfest
MAY
18
National Speech Pathologist Day
MAY
21
Last Day of School
MAY
22
Teacher Work Day/Staff Development
MAY
25
No School
Holiday (Schools/Offices Closed)
MAY
26
Regular Board Meeting
MAY
28
Brennan H.S. Graduation
JUN
9
Called Board Meeting
JUN
19
No School
Holiday (Schools/Offices Closed)
JUN
23
Regular Board Meeting
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!