Zoshua Colah/Unsplash Orton-Gillingham concepts are now popular with both parents and teachers. It's not just an approach to learning but a reading program that follows a simple path for every student. Because it is flexible and problem-solving by nature, instructors can use this method to identify a learner's reading difficulties and find ways to address them. That's why this concept has remained strong since its inception in the 1930s. It has helped provide solutions for those who face challenges with basic spelling, reading and writing.