Your Complete Guide to Mastering Nursing Prerequisites and Starting Your Career
Starting a nursing career is an incredibly rewarding choice, but the path to becoming a licensed Registered Nurse (RN) begins long before you step foot in a clinical setting. It starts with successfully completing your prerequisite courses for nursing school. These foundational courses are not just requirements to get through; they are the essential groundwork that ensure you have the necessary knowledge base to handle the rigorous demands of a Bachelor of Science in Nursing (BSN), Associate Degree in Nursing (ADN), or Accelerated BSN (ABSN) program.
Below, we’ll walk through the must-have nursing school prerequisites, show you how to navigate program-specific rules, and highlight student-friendly routes available for every type of student—from students fresh out of high school to adult learners.
What Are Nursing Prerequisites and Why Do They Matter?
Nursing prerequisites are required college courses you must complete first that must be completed before a student can apply to or enroll in a nursing program. These courses serve three key goals:
- Create a Strong Academic Foundation: They provide the necessary science and general-education base to understand advanced concepts in medications, disease processes, and clinical care.
- Prove You’re Ready for Nursing School: Your performance in these courses, particularly your pre-req GPA, is often the top consideration for admission committees when determining if you can handle the intensity of nursing school.
- Standardize Entry: They ensure all students entering a program have met a shared threshold of academic preparation, regardless of their previous major or educational background.
A solid GPA in your science prerequisites (typically 3.0 or higher) is critical for gaining acceptance into many programs.
Must-Have Nursing Prerequisites You’ll Need
While specific requirements can differ by school and location, there is a core set of pre-nursing classes that almost every program demands. These are often the toughest classes, but they are vital to your success in the field.
The Big Three Science Prereqs
These three disciplines form the cornerstone of medical understanding and patient care:
- Anatomy and Physiology: Often split into two semesters, A&P is arguably the most critical prerequisite. You'll learn the structure (anatomy) and function (physiology) of the human body, which is essential to understanding health and disease.
- Introductory Microbiology: This course covers microorganisms (bacteria, viruses, fungi, and parasites), their relationship to the human body, and the mechanisms of infection and immunity. It’s crucial for grasping infection control and infectious diseases.
- Chemistry: Typically, general chemistry is required, sometimes followed by an organic chemistry or biochemistry component. This knowledge is crucial for understanding pharmacology, fluid and electrolyte balance, and metabolic processes.

Math, English, and General Education Requirements
In addition to the hard sciences, nursing programs require general education courses to ensure you possess strong problem-solving, communication, and social awareness skills:
- Math: Usually includes Algebra at the college level and/or Intro Statistics. Statistics is particularly important for interpreting medical research and evidence-based practice.
- English/Communication: Comp I and II is required to hone the clear, professional communication skills necessary for documenting patient charts and interacting with healthcare teams.
- Psych/Soc Requirements: Courses like Psychology (especially Developmental Psychology/Lifespan Development) and Social Science are crucial for understanding human behavior, mental health, and the social dynamics that affect patient wellness.
- Nutrition: A dedicated course on nutrition is increasingly common, covering dietetics and the role of food in health and disease management.
Key Logistics for Nursing Prereqs
Completing the courses is only half the battle. Successful applicants must also navigate administrative and logistical requirements effectively.
Why Accreditation Matters
Courses You Must Take Before Applying to Nursing School .Accreditation is absolutely essential. You must ensure that the nursing program you plan to apply to is recognized by a national organization, such as the Commission on Collegiate Nursing Education (CCNE) or the ACEN.
Why You Should Care:
- It verifies the program meets national benchmarks for quality.
- It ensures you are eligible to sit for the National Council Licensure Examination for RNs.
- It is often required for military benefits, federal financial aid, and most employers.
Making the Most of Transfer Credits
If you have existing college credits, knowing how to transfer them can save you significant cost and effort. Programs have specific credit transfer policies. It's vital to:
- Verify Equivalence: Contact the nursing school's admissions office to confirm that your specific course at your current college is accepted as equivalent to their prerequisite.
- Make Sure Credits Aren’t Too Old: Many science prerequisites (A&P, Microbiology) have a time limit and may need to have been completed within the last 5 to 10 years to be accepted.
- Understand Grading Requirements: Most programs require a letter grade (usually a "C" or better) for all prerequisites, especially the core sciences. Pass/Fail grades are often not accepted.
Licensing Rules by State
It's crucial to understand that state regulations affect your licensing. While prerequisites are set by the school, nursing regulations and licensing standards (such as background checks, clinical hour requirements, and NCLEX registration) are governed by your state’s Board of Nursing. Always consult the official board for the state where you plan to practice to ensure your chosen program meets all necessary criteria.
Flexible Ways to Complete Nursing Prerequisites
The journey to nursing school isn't the same for everyone. Many resources are available to help non-traditional students meet their required prerequisites without interrupting their lives.
Taking Nursing Prereqs Online
The rise of virtual nursing prerequisites offers unparalleled flexibility. Taking courses like Statistics, Psychology, and even some science courses virtually allows students to:
- Control Their Timeline: Many accredited platforms offer self-paced learning, which is ideal for working adults or single parents.
- Save Money: Online courses from community colleges or external educational providers often have a lower tuition cost.
- Avoid Location Limits: Overcoming geographical limitations to access required courses.
Important: Always verify with your target nursing school that they accept online prerequisites, particularly for laboratory components.
Extra Support for Non-Traditional Students
- Accelerated BSN Tracks: If you already hold a bachelor’s degree in a non-nursing field, you are the perfect fit for an ABSN program. These programs condense the nursing curriculum into about 12 to 18 months. You still need to complete the core science and math pre-nursing classes, but your previous degree fulfills the general education requirements.
- Military Students: Military medical experience and training (such as medic or corpsman training) can often be leveraged for credit or to waive certain prerequisites. Explore specialized programs that recognize and integrate your military background.
Budgeting for Your Prerequisites
The financial planning of your education should cover more than just nursing school tuition. Taking prerequisites can represent a significant financial investment.
Plan for:
- Credit-Based Tuition: Community colleges usually offer the most affordable path for prerequisites.
- Textbook and Lab Fees: Science courses often have mandatory lab fees and expensive textbooks.
- Funding: Prerequisites taken at a college or university may be eligible for federal financial aid (FAFSA), especially if you are seeking a degree or certificate.
Taking your prerequisites strategically and utilizing affordable, accredited online options is the best way to maximize your return on investment (ROI) and minimize debt before the main nursing program even begins.

Conclusion: Taking the Next Step in Your Nursing Journey
Completing your nursing prerequisites is the first and most crucial step toward your goal of becoming a nurse. It requires planning ahead, a strong focus on your science GPA, and a commitment to understanding the unique requirements of your chosen nursing programs.
Start by doing the following:
- Create Your Course Roadmap: Compare the prerequisites of three different nursing schools you are interested in and create a master list of courses you need.
- Check Transfer Policies: Contact the admissions offices of your target schools before enrolling in any course.
- Aim for Strong Grades: Treat these courses as an audition for nursing school. High grades will unlock opportunities to the best programs.
Get started now, and you will be well on your way to a successful application and a fulfilling career in professional nursing.
