AACN Essentials Summary: The 10 Domains, Key Aspects, and How Students Can Meet Each Essential

Introduction

The Essentials: Core Competencies for Professional Nursing Education, published by the American Association of Colleges of Nursing (AACN) in 2021, is the framework that guides baccalaureate, master’s and Doctor of Nursing Practice (DNP) education in the United States. It replaced the earlier, separate Essentials documents for each degree level with one competency-based model (American Association of Colleges of Nursing [AACN], 2021).

The Essentials are organized into 10 domains, each with competencies and sub-competencies at two levels: entry-level professional nursing (Level 1) and advanced-level nursing education (Level 2). Running through all the domains are eight featured concepts: clinical judgment; communication; compassionate care; diversity, equity and inclusion; ethics; evidence-based practice; health policy; and social determinants of health. Students show they have met the Essentials by demonstrating these competencies through coursework, simulation, clinical practice and projects.

Domain 1: Knowledge for Nursing Practice

Summary: This domain establishes nursing as a discipline built on a broad foundation of knowledge. Nurses integrate the liberal arts, natural and social sciences and nursing science to make sound clinical judgments. They apply theory and research to practice, and they draw on knowledge from other disciplines to understand people, health and illness.

Key aspects:

• The history, philosophy and theories of nursing as a distinct discipline
• Integrating knowledge from the sciences and humanities (anatomy, pathophysiology, pharmacology, psychology, sociology, ethics)
• Clinical judgment grounded in nursing knowledge
• Applying nursing and other theories to guide practice

Example of how a student can meet this domain: In a medical-surgical clinical course, a student caring for a patient with heart failure writes a care plan that explains the pathophysiology of fluid overload, links it to the patient’s assessment findings (crackles, edema, a weight gain of 2 kg in 2 days), and justifies each intervention with pharmacology and nursing science. The student then applies Orem’s Self-Care Deficit Theory to plan discharge teaching on daily weights and sodium restriction. In post-conference, the student explains how this knowledge shaped their clinical judgment.

Domain 2: Person-Centered Care

Summary: Person-centered care places the individual, and the family and community they define, at the center of care. It is holistic, individualized, just, respectful, compassionate, coordinated and evidence-based. It requires nurses to build therapeutic relationships, respect preferences and values, and partner with people in decisions about their own health across the lifespan and care settings.

Key aspects:

• Holistic assessment: physical, psychological, social, cultural and spiritual
• Therapeutic communication and shared decision-making
• Respect for diversity, culture, values and preferences
• Clinical judgment through the nursing process; care coordination and patient education

Example: During a community clinical rotation, a student completes a full holistic and cultural assessment of an older adult with type 2 diabetes who speaks limited English. Using a professional interpreter and the teach-back method, the student learns that the patient’s traditional diet and fasting practices affect glucose control. Together, they create a meal plan that respects the patient’s cultural foods, and the student documents the patient’s goals in their own words. The student reflects on the experience in a clinical journal.

Domain 3: Population Health

Summary: Population health extends nursing beyond the individual to communities and populations. It covers health promotion and disease prevention from local to global levels, through partnerships with public health, community organizations, policymakers and other stakeholders. Nurses address the social determinants of health, advocate for equitable policies, and prepare for emergencies and disasters.

Key aspects:

• Community assessment and identifying population needs
• Social determinants of health and health equity
• Health promotion, disease prevention and screening programs
• Health policy advocacy
• Emergency preparedness and disaster response

Example: In a public health nursing course, a student team completes a windshield survey and community assessment of a low-income neighborhood. Using county health data, the team identifies high rates of uncontrolled hypertension and limited access to fresh food. They partner with a local church to run a blood pressure screening and education event, refer participants with elevated readings to a federally qualified health center, and write a policy brief to a city council member supporting a mobile farmers’ market.

Domain 4: Scholarship for the Nursing Discipline

Summary: This domain focuses on generating, synthesizing, translating, applying and disseminating knowledge to improve health and transform care. Nurses use research and evidence-based practice to guide decisions, critically appraise evidence, and follow ethical principles in scholarship. At advanced levels, they lead the translation of evidence into practice.

Key aspects:

• Evidence-based practice: asking PICO(T) questions and finding and appraising evidence
• Understanding research methods and ethics (IRB, informed consent)
• Translating evidence into practice
• Disseminating knowledge through presentations, posters and publications

Example: In a research and EBP course, a student notices during clinicals that patients with indwelling urinary catheters often keep them longer than necessary. The student writes a PICOT question on whether a nurse-driven catheter-removal protocol reduces CAUTI rates. They search CINAHL and PubMed, appraise five studies with a CASP checklist, build an evidence table, and present an evidence-based poster to unit staff recommending the protocol. (See our guide on PICO and other nursing school assignments.)

Domain 5: Quality and Safety

Summary: Nurses use established and emerging principles of safety and improvement science to improve quality and reduce the risk of harm to patients and providers, both through their own performance and through system effectiveness. This includes a culture of safety and a just culture, error reporting, quality improvement methods, and protecting the workforce.

Key aspects:

• Patient safety practices: medication safety, fall and infection prevention, National Patient Safety Goals
• Quality improvement methods such as PDSA cycles and root-cause analysis
• A culture of safety and just culture; incident reporting
• Workforce safety and well-being

Example: A student in a leadership course joins a unit quality-improvement project on falls. The student audits 30 patient records for completion of the Morse Fall Scale, finds that 40% of reassessments after a change in condition were missed, and helps design a PDSA cycle: a bedside fall-risk sign plus a huddle reminder. After 4 weeks, they re-audit and present a run chart showing improved compliance. In simulation, the same student practices medication safety by stopping to verify a high-alert medication with a second nurse.

Domain 6: Interprofessional Partnerships

Summary: Effective care depends on intentional collaboration across professions, with patients, families and communities, and with other stakeholders. Nurses communicate clearly, understand and respect the roles of other team members, and work as team members and leaders to optimize care, enhance the healthcare experience and improve outcomes.

Key aspects:

• Interprofessional communication tools (SBAR, I-PASS, closed-loop communication)
• Understanding the roles and responsibilities of other professions
• Teamwork and team leadership
• Mutual respect, shared values and conflict resolution

Example: During an interprofessional simulation with pharmacy, medical and respiratory therapy students, a nursing student recognizes signs of sepsis in a simulated patient. The student uses SBAR to call the provider, coordinates with pharmacy on timely antibiotic administration, and uses closed-loop communication during the response. In clinical, the student attends a multidisciplinary discharge-planning meeting and contributes nursing assessment data about the patient’s mobility and home support.

Domain 7: Systems-Based Practice

Summary: Nurses respond to and lead within complex systems of health care. They use resources effectively and coordinate care across settings to provide safe, high-quality and equitable care for diverse populations. This includes understanding how health systems are organized and financed, how policy shapes care, and how to make innovative, cost-effective improvements.

Key aspects:

• Organization and financing of health care systems, including reimbursement and cost
• Care coordination and transitions across settings
• Systems thinking and complexity
• Resource stewardship and equitable access
• Advocating for system improvement and innovation

Example: A student follows a patient with COPD through a care transition from hospital to home. The student maps the discharge process, identifies that the patient cannot afford a prescribed inhaler, and works with the case manager to find a lower-cost formulary alternative and a patient-assistance program. In a health-policy assignment, the student analyzes how Medicare readmission penalties influence the hospital’s discharge planning, and proposes a nurse-led follow-up phone call program.

Domain 8: Informatics and Healthcare Technologies

Summary: Nurses use information and communication technologies and informatics processes to deliver safe, high-quality and efficient care. They use technology to gather and analyze data, support decisions, communicate, and manage knowledge, in line with best practice and regulatory standards and while protecting privacy and security.

Key aspects:

• Accurate electronic health record (EHR) documentation
• Using clinical decision support, telehealth and patient technologies
• Data for quality improvement
• Privacy, confidentiality, HIPAA and cybersecurity
• Ethical and safe use of emerging technologies, including AI

Example: In clinicals, the student documents assessments and medication administration accurately in the EHR, uses barcode medication administration, and responds appropriately to a clinical decision support alert for a drug interaction. In an informatics course, the student analyzes de-identified unit data in a spreadsheet to compare hand-hygiene compliance before and after an intervention. The student also teaches a patient to use the hospital’s patient portal and a remote blood-pressure monitoring device, while explaining how their data are kept private.

Domain 9: Professionalism

Summary: Professionalism means forming and cultivating a sustainable professional nursing identity that reflects nursing’s characteristics and values: accountability, perspective, collaborative disposition and comportment. It is grounded in ethics and the law, including the ANA Code of Ethics and the Nurse Practice Act, and includes advocacy, integrity, respect for diversity, and accountability for one’s own practice.

Key aspects:

• Ethical comportment and adherence to the Code of Ethics for Nurses
• Legal and regulatory accountability (Nurse Practice Act, scope of practice)
• Professional identity, appearance, communication and boundaries
• Advocacy for patients and the profession
• Respect for diversity, equity and inclusion

Example: During clinical, a student notices that a patient seems confused about a procedure they are about to consent to. The student advocates for the patient by informing the nurse and provider, who return to explain the procedure. The student writes a reflective paper applying the ANA Code of Ethics to the situation (see our informed consent ethics case study). The student also maintains professional boundaries on social media, arrives prepared and on time, and joins the National Student Nurses’ Association.

Domain 10: Personal, Professional, and Leadership Development

Summary: This domain focuses on activities and self-reflection that build lifelong learning, personal health and well-being, resilience, and leadership capacity. Nurses take responsibility for their own growth and develop the leadership skills needed to influence practice, mentor others and advance the profession.

Key aspects:

• Self-reflection and self-assessment
• Lifelong learning and continuing professional development
• Self-care, well-being and resilience (preventing burnout)
• Leadership development, mentoring and career planning

Example: At the start of the final year, the student completes a self-assessment of the Essentials competencies and writes a professional development plan with SMART goals, such as earning BLS and ACLS certification, joining a specialty organization and finding a mentor. The student serves as a peer tutor for first-year students, takes a charge-nurse shadowing day in the capstone practicum, and keeps a well-being routine of sleep, exercise and a peer support group. They build a professional portfolio and résumé documenting their growth.

Summary table: how students can meet each domain

A note on the earlier Essentials

Some courses still refer to the earlier documents: The Essentials of Baccalaureate Education (2008), with nine numbered Essentials (I–IX); The Essentials of Master’s Education (2011); and The Essentials of Doctoral Education for Advanced Nursing Practice (2006). The 2021 domains reorganize and expand that content. For example, the former Essential III (scholarship for evidence-based practice) now falls mainly within Domain 4, and Essential VII (clinical prevention and population health) within Domain 3. Always check which version your course rubric uses.

Conclusion

The 2021 AACN Essentials define what every professional nurse should know and be able to do, across 10 domains, from knowledge for practice and person-centered care to professionalism and leadership development. Each domain is met through concrete, documented experiences during the program: care plans, community projects, EBP posters, quality-improvement audits, interprofessional simulations, EHR documentation, ethical advocacy and reflective development plans. Students who deliberately link their coursework and clinical experiences to each domain, and keep evidence in a portfolio, graduate ready to practice and to show their competence to employers. For a step-by-step guide to a project that demonstrates several domains at once, see our article on developing a capstone project from practicum experience.

References

American Association of Colleges of Nursing. (2006). The essentials of doctoral education for advanced nursing practice. AACN.

American Association of Colleges of Nursing. (2008). The essentials of baccalaureate education for professional nursing practice. AACN.

American Association of Colleges of Nursing. (2011). The essentials of master’s education in nursing. AACN.

American Association of Colleges of Nursing. (2021). The essentials: Core competencies for professional nursing education. https://www.aacnnursing.org/essentials

American Nurses Association. (2025). Code of ethics for nurses. American Nurses Association.