Lane Tech College Prep High School (often shortened to Lane Tech, full name Albert Grannis Lane Technical College Preparatory High School), is a public 4-year selective enrollment magnet high school located in the Roscoe Village neighborhood on the north side of Chicago, United States. It is a part of the Chicago Public Schools district. Lane is one of the oldest schools in the city and has an enrollment of over four thousand students, making it the largest high school in Chicago.

Lane is a selective-enrollment-based school in which students must take a test and pass a certain benchmark in order to be offered admission. Lane is one of eleven selective enrollment schools in Chicago. It is a diverse school with many of its students coming from different ethnicities and economic backgrounds. In 2019, Lane Tech was rated the #3 public high school in Illinois and #69 in the nation.

Lane’s mission includes:

1. Providing 21st century curricular offerings that prepare students for a variety of post-secondary paths
2. Creating community partnerships to engage outside organizations in public education
3. Continuing ongoing partnerships between the school, the parent, and the child
4. Supporting every student mentally, academically, and developmentally
5. Demonstrating mutual respect between all staff members and students

Lane Tech College Prep provides challenging and meaningful curriculum in a technologically advanced learning environment that empowers students to attain their education goals and prepares students for the 21st century. As a school of academic and athletic champions, Lane Tech offers a wide variety of high-quality learning and extracurricular opportunities which includes the largest Advanced Placement (AP) program in the city; Science Technology, Engineering, and Math (STEM) program with the largest science fair in the city and state; Girls in Engineering, Math, and Science (GEMS) program; award winning Music and Art programs; award winning journalism program; and highly acclaimed athletic program that has been named the CPS Athletic School of the Year for 6 out of the last 8 years. In addition, Lane Tech offers over 100 electives including world languages (with the newest addition of Arabic), Advanced Placement, and 21st century technology courses such as 3-D animation, digital design, engineering design, robotics, computer programming, and web design. Improving upon the technological aspect of the school, Lane Tech has recently added several new technologically advanced laboratories and facilities including a Reading and Writing Computer Resource Lab, Apple Computer Lab, and a STEM wing complete with an aquaponics facility, two multi-purpose computer labs, and two lecture spaces. In recognition for demonstrating the highest level of achievement, the prestigious Blue Ribbon School award and recognition was bestowed upon Lane Tech in the fall of 2012.