What is the optimum stress level?
The above graph clearly depicts the answer. When the stress is less, you don’t preform to your full potential. When stress is too much, you wear out and cannot perform well. So, there is an optimum level of stress, which makes you perform well and achieve something.
People advocate cancelling examination system and other such ideas. That sounds good and it can be adopted for very small children. But, for children aged 8 years and above, some form of assessment (like exams) is a must, otherwise they become lazy and constantly under-perform. This will make them handicapped to face the competitive world.