The purpose of this survey research is to study the level of students’ stress, factors affecting their stress, and techniques and problems in managing stress. The sample group was 478 undergraduate students at King Mongkut’ s Institute of Technology North Bangkok. A questionnaire including a stress assessment test from the Mental Health Department was employed in the data collection. The results showed that most students encountered stress in normal level (51.43%). The first factor affecting their stress was being unable to complete reading tasks on time (89.7%), the second was worry that they could not handle tests (89.5%), The methods used most frequently to cope with stress were watching movies, listening to music and watching television (97.5%), followed by making their mind calm, accepting the situations and letting go (90.2%). The problems in managing stress were their laziness and drowsiness (73.4%). The students who had different personal characteristics, learning problems , traffic problems and environment problems did not have different amount of stress. The students who had problems in terms of examination, their relationship with friends and lovers, family, health, money and work, and