Northbrook provides courses in the traditional academic subjects, as well as several foreign languages (such as Spanish and French), athletics, and fine arts.

In the 1980s, the Spring Branch Independent School District experienced a sharp decline in population due to job losses caused by the oil crisis affecting the Houston area.

In 2020 Spring Branch Independent School District acquired 4.7 acres (1.9 ha) of formerly commercial land so it could build a detention pond to control flooding.

[4] On September 28, 2022, Spring Branch ISD cut a ribbon to mark a new set of classrooms at Northbrook High School.

The work included new classrooms, interior and exterior improvements, sports area upgrades, and a new roof.

With this administration change came more stringent safety measures, including the requirement to wear an ID badge to enter the school.

Northbrook competes athletically with other schools in the sports of baseball, basketball, cross country, diving, football, golf, soccer, softball, swimming, tennis, track & field and volleyball.

He was forced to retire due to knee problems he obtained during his playing days in the NFL and CFL.

The 1988 team fell one game short of the state playoffs by losing to Katy 21–9 late in the season.

After going 0–10 for two consecutive seasons in 2004 and 2005 the Northbrook Raiders led by new head coach Craig Cripps went 2–8 in 2006 and improved in 2007 with a 3–7 record and in '08 finished 1–7 after two games were cancelled due to Hurricane Ike.

After Cripps' departure to district rival Stratford, the Raiders finished the 2009 season 0–10 led by new head coach Ron Rogers.

The Northbrook Raider boys' soccer program has enjoyed some success in the last 14 seasons under Coach Justin Wheeler.