Teachers in schools may encounter various differences amongst learners that tremendously affect the way they work. Here's why:

1. Social class: Students from different social classes often have access to different resources and opportunities outside of school. This can result in disparities in their academic performance, as the students from lower socioeconomic backgrounds may face greater challenges such as poverty, lack of access to quality education, and fewer extracurricular activities. Teachers need to be aware of these differences and work to create an inclusive learning environment where all students feel valued and supported.
2. Physical and mental abilities: Differences in physical and mental abilities among students can lead to variations in learning styles and paces. Some learners may need extra support or accommodations to succeed in the classroom. Teachers need to be flexible and adaptable in their teaching approaches to cater to the diverse needs of their students.
3. Language: Learners with diverse language backgrounds may face challenges in understanding and communicating effectively in the classroom. Teachers need to be mindful of this and provide opportunities for English language learners to develop their language skills while also ensuring they don't fall behind academically. This can involve various strategies like visual aids, peer teaching and collaborative learning.

In conclusion, it is essential for teachers to acknowledge and respect the differences among their students. By creating an inclusive and supportive learning environment that values diversity, teachers can help all students reach their full potential, regardless of their background or abilities.