Daily Resources for Students and Parents
Links to essential resources such as the daily health questionnaire, absence reporting form and the hybrid learning schedule.
Daily Resources for Students and Parents
Links to essential resources such as the daily health questionaire, absence reporting form and the hybrid learning schedule.
Parent Hybrid Q&A Sessions With Principal Mr. Markey
GBN Principal Mr. Markey will offer parent Q&A sessions regarding our new hybrid model on Thursday 10/1 at 4:30 and 5:30 p.m.
GBN 2020 College Report
Glenbrook North reported that 98 percent of the graduating class of 2020 is pursuing higher education this fall.
2020-21 School Reopening Information
A webpage dedicated to information related to the reopening of school for the 2020-21 school year.
Back-To-School Information
Check out our back-to-school packet for the 2020-2021 school year.
Registration Information for the 2020-2021 School Year
All new and returning students are asked to complete one or more steps to confirm their enrollment each school year. 
Summer school information
All summer school classes will be delivered in an E-Learning format. Only students that are hoping to add a class need to register. Due to a change in format, the cost for summer school courses is $250 per semester. Instructors will be in contact with further information. To register for summer school, or to be added to a waitlist, please email the summer school at
Business students persevere from home during pandemic
The Incubator Entrepreneurship class held its fourth annual Pitch Night on Wednesday, May 19. However, instead of standing in front of an auditorium full of family and community members at the Northbrook Public Library, four teams held the “Shark Tank” style competition virtually this year. 
Ms. Sheperd named 2020 Distinguished Teacher
Ms. Sheperd is always willing and excited to go the extra mile for her students. That’s why she was nominated by her entire AP U.S. History class for the 2020 Glenbrook North Parents’ Association’s Distinguished Teacher Award. 
Virtual Honors & Awards Ceremony/Recipients
The virtual Honors & Awards Ceremony can be viewed here
Virtual Graduation
Check out our virtual graduation ceremony and commencement speeches.
Virtual Spring Art Show
We hope that you enjoy this digital celebration of the second semester. Additionally, the Art Faculty will be available from 3:30 to 4 p.m. May 12 to talk to students and parents about the virtual exhibit.
E-Learning Resources
This website will serve as the centralized hub for general information while we conduct E-Learning days.
Glenbrooks announce the hiring of new GBN principal, Jason Markey
The District 225 Board of Education on March 16 formally approved the hiring of incoming Glenbrook North High School principal, Mr. Jason Markey, effective July 1, 2020.
Health Resources, Support & Anonymous Reporting Tools
Here you will find a full list of local resources and supports, as well as our Spartan Concern Form and Text-a-Tip hotline. 
GBN Principal search survey
The Glenbrook High School District 225 district leadership team invites the school community to provide input to assist with the search for the next principal of Glenbrook North High School by participating in an online survey. 
Spartan volleyball players commit to Western, Niagara
Seniors Erin Rosdahl and Casey Brown signed college letters of intent on Wednesday, February 5, 2020. 
Kids 4 the Cure Club makes a difference
At its meeting on January 27, the Board recognized the GBN Kids 4 the Cure Club, known for its efforts to raise cancer awareness. The students are driven by their desire to make a difference in the lives of families that face cancer.
Senior commits to Xavier University soccer team
Senior Victoria Caparos signed a letter of intent Nov. 13 to play soccer with Xavier University in Ohio next school year. Congratulations, Victoria!
GBN junior finds self-expression, enlightenment through artwork
Dean Kousiounelos, a junior at GBN, has been refining his artistic skills for his entire life.
Junior finds self-expression, enlightenment through artwork
Dean Kousiounelos, a junior at GBN, has been refining his artistic skills for his entire life.
2019 College Report
Glenbrook North reported that 95 percent of the graduating class of 2019 is pursuing higher education this fall at 142 institutions.
Goodman named Distinguished Teacher
Mr. Steve Goodman of the Glenbrook North math department has been named the school’s Distinguished Teacher for 2019.
Distinguished alum Thukkaram recounts journey after high school
Glenbrook North Distinguished Alumnus for 2019 Navin Thukkaram made a point to tell students that he didn’t receive an award when he attended GBN. “This is the first award that I‘ve received from Glenbrook North,” he noted.
Students start life saving club at GBN
Two GBN students gave up celebrating their Bat Mitzvah and instead used that money to donate to Save A Child’s Heart Foundation, which provides life-saving heart surgery for children who can't afford to receive care in their country of origin. Their donation helped save the lives of two Ethiopian girls. But thet two wanted to expand on that and started a club at GBN that now has 45 members.

GBN Math Team wins state title for third year in a row
It was a three-peat for the Glenbrook North Math Team, which won the State Championship title on Saturday, May 4, the third year in a row. But it was also history making in other ways. 
GBN seniors sign on to college athletics
It was College Signing Day at Glenbrook North May 1. College Signing Day is also a chance for seniors to wear a shirt from the school they plan to attend or the branch of service they plan to serve. Teachers and staff also displayed their college pride. These 11 senior athletes will be taking their talents to universities across the country:
GBN Model UN wins on global stage

The GBN Model UN team of nine students that traveled to New York City for the National High School Model United Nations Conference is small but mighty. The first time competing on the world stage, the group earned a remarkable Third Place. But was more fulfilling to them was filling the seats of world leaders. 

State speech champ breaks norm at contest
Glenbrook North senior Erin Rosenfeld could be the first deaf and hard-of-hearing student to win a state Speech Team title. She’s also the first one in 22 years at GBN to win a state speech title. But it’s not those accomplishments that set her apart.
Spartans Connect
Students enjoyed learning how to crochet, program a computer, make balloon animals, cook, try improv with Second City and ballroom dance with the Fred Astaire Studio at Glenbrook North’s fifth annual Spartans Connect workshop.
Glenbrooks announce the hiring of new superintendent Dr. Charles Johns

On Monday, February 11, the Glenbrook High School District 225 Board of Education approved the hiring of Dr. Charles Johns as the new superintendent, effective July 1, 2019.

Girls basketball program rallies to fight pediatric cancer

The GBN girls basketball program recently came together for a "Hoops for Hamann" tournament. 

Max Luc commits to Division I football
Senior Max Luc signed an athletic letter of intent on Wednesday, February 6th.
District Update: Jan. 28, 2019

Highlights from the Jan. 28 Board of Education meeting

GBS welcomes Attea, Springman students for STEM Day
About 96 students from Attea and Springman Middle Schools visited GBS on January 25th for District 34/GBS STEM Day. 
Cochlear implants prove life-changing for teacher

Life went silent for GBS special education teacher and coach Terry Harris about four years ago.

District Update: Jan. 14, 2019
Highlights from the Jan. 14 Board of Education meeting
PE department incorporates new boxing techniques
PE department staff participated in an hour-long boxing instruction on Dec. 5. 
New courses proposed for 2019-20 school year

On Monday, January 14, the Glenbrook High School District 225 Board of Education reviewed new courses and modifications recommended by the administration for the 2019-20 school year.
Mark Rebora Spartan Challenge honors late PE teacher, coach
The GBN physical education department hosted its first Mark Rebora Spartan Challenge on Jan. 9 and 10. 
Titans aim to boost self-sustainability abroad
Students took initiative this winter by helping out a non-profit organization that aims to nationally spread bracelets, known as pulseras in Spanish, and bags, known as bolsas, which are made by people in Nicaragua and Guatemala.
District Update: Dec. 10, 2018
Highlights from the Dec. 10 Board of Education meeting
Sophomore sets school cross country record

For Natalie Sandlow, running is a passion and her family’s way of life.

Hour of Code boosts computer science awareness
More than 1,800 Glenbrook North students participated in the worldwide Hour of Code for the first time this month.
Women in Business Breakfast encourages connections, conversations
GBN welcomed several accomplished professionals for the annual Women in Business Breakfast on Dec. 5.
Women in Business Breakfast inspires students to 'stay curious'
About 100 students and 15 guest speakers attended the Glenbrook South Titan School of Business’ third annual Women in Business Breakfast on Dec. 4.
Freshman to appear on American Ninja Warrior Junior
Tune into Universal Kids at 6 p.m. Saturday, Dec. 8 to see Glenbrook North freshman Ann Slivken test her skills on American Ninja Warrior Junior.
Three athletes sign college letters of intent
Three senior Spartan athletes signed college letters of intent November 14.
District Update: Nov. 12, 2018
Highlights from the Nov. 12, 2018 Board of Education meeting
District 225 adopts estimated property tax levy
On November 12, the Glenbrook High School District 225 Board of Education approved its levy request for 2018 property taxes to support district operations in the amount of $109,945,711. This levy request represents an increase of 4.4 percent, over last year’s property tax revenue. The percentage increase is based on a 2.1 percent increase for inflation as determined by the Consumer Price Index (CPI), along with a 2.3 percent estimate to capture new property growth within the tax base.
'Charlie and the Chocolate Factory' star visits students

Spartan alumnus Noah Weisberg visited Glenbrook North choir classes on Oct. 11 to discuss the students’ various interests and goals, as well as lend a few tips on topics such as audition etiquette.

Seal of Biliteracy testing readies students for college, beyond

This past June, 138 Glenbrook District 225 graduates received the Illinois State Seal of Biliteracy. Of that group, seven graduates are fluent in more than two languages. 

Ms. Cunningham receives DePaul’s Celebrated Teacher Award
Ms. Karen Cunningham, instructional supervisor of the Glenbrook North English Department, was one of five teachers who received a Celebrated Teacher Award this year from DePaul University.
2018 College Report
Glenbrook North reported that 97 percent of the graduating class of 2018 is pursuing higher education this fall at 145 institutions.
Ms. Scholz receives 2018 Distinguished Teacher Award

Genuine, empowering, extraordinary.

These were just a few words used to describe Glenbrook North English teacher Amanda Scholz before she received the 2018 Distinguished Teacher Award on May 26.

Ryan "Kaskade" Raddon named 2018 Distinguished Alumnus
Glenbrook North students, staff and community members had the pleasure of welcoming ‘89 alumnus Ryan Raddon to the stage during the school’s annual Honors and Awards ceremony on May 25. 
Boxable named Incubator Pitch Night winners
The GBN Business Incubator class held their Pitch Night on May 23. Boxable was the business that received $5,000 in funding from a board of advisors.
District Update: May 21, 2018
Highlights from the May 21st Board Meeting.
Business law students present mock trials before real judges

Associate Judge in the Circuit Court of Cook County Jeanne Marie Reynolds and Cook County Circuit Court Judge Michael Hood were special guests to Mrs. Karzen’s business law class this week.

Sister success: O'Regans reflect on Spartan tennis careers
They have been teammates for 14 years and sisters for 18. At the ages of four and five, senior Catherine O’Regan and 2017 alumna Colette O’Regan were handed their first tennis rackets.
Rogoff finds passion through business classes

Senior Michelle Rogoff has had a passion for business for as long as she can remember, and it shows with her busy schedule.

Alumnus, sports broadcaster shares journey with students
Dave Revsine, Spartan alumnus and keynote speaker for “A Night of Glenbrook Theater,” visited GBN on April 12 to speak with current students.
Celebration of Life - Mark Rebora
Mark Rebora had a positive influence on thousands of students and athletes over his more than 30 years in education.
Alumna recalls experience farming Panama jungle
Anyone who knew Harper Simpson in high school knew she would make the world a better place.

“Almost from the very start I could see that Harper is the kind of person for whom rivers of passion and concern for others run deep,” said her Humanities teacher, Ms. Galson.
Sisters take the stage of 'Flight'
The lights rose slowly, and two silhouettes stood shrouded in shadow. The Eydelman sisters were ready to perform in Glenbrook North’s 2018 Variety show, “Flight.”
Students aim to build deaf awareness, encourage sign language
Sophomore Max Rollins and junior Erin Rosenfeld captivated a diverse audience this past December as they portrayed characters with hearing difficulties in the winter play, “Tribes.” 
E Day: Celebrating the magic number
The Math Department hosted Explore Math Day (E Day) on Feb. 7, 2018 – the calendar date equivalent of mathematical constant 2.718. 
Cross-training challenge teaches perseverance, teamwork

Twice a year, all GBN physical education classes come together to put their fitness skills to the test.