Ethical standards form the foundation of professionalism in education. An educationist is not only responsible for transmitting knowledge but also for upholding values that ensure fairness, trust, and integrity within the learning environment. One of the most important ethical standards is integrity. Educationists must be honest in their teaching, assessment, and professional conduct. This includes avoiding examination malpractice, giving accurate information, and maintaining transparency in all academic dealings. Fairness and impartiality are also essential. Every learner should be treated equally regardless of background, gender, religion, or academic ability. Bias in grading, attention, or discipline undermines trust and weakens the educational system. Another key standard is confidentiality. Educationists handle sensitive information about students, colleagues, and institutions. Such information must be protected and not disclosed inappropriately. Professional responsibility is equally important. Educationists are expected to perform their duties diligently, prepare adequately for lessons, assess students fairly, and contribute positively to school development. Negligence or lack of commitment can directly affect learner outcomes. Respect for colleagues, learners, and parents is another core ethical expectation. Healthy professional relationships promote collaboration, effective communication, and a supportive learning environment. Educationists must also demonstrate accountability. They are responsible for their actions and decisions within the educational system. Accepting responsibility for mistakes and working to correct them is a sign of professionalism. Finally, adherence to continuous self-improvement and ethical growth ensures that educationists remain relevant and morally grounded in their practice. In Nigeria, professional bodies such as the Teachers Registration Council of Nigeria help regulate these standards and promote ethical teaching practices across schools. Ethics is not just a rulebook; it is the moral compass that guides every educationist in shaping responsible, disciplined, and productive citizens.