HIGH SCHOOL EDUCATION

2.1 Introduction
2.2 Factors to Consider when Deciding on What to Study
2.3 Why Institutional Accreditation Matters
2.4 Selected Subjects in Broad Subject Areas
2.5 Definition of a Specialists
2.6 Different Professional Specialists
2.7 A Robot Performs Gallbladder Surgery in July 2025

4.1 Introduction
4.2 Popular Fields of Study in the United States in 2021
4.3 Masters’ Degrees Awarded by Harvard University in 2023
4.4 Master’s Degrees Conferred in U.S. in 2021

6.1 Categories of Fields of Study
6.2 Different Types of Professional Specialists
6.3 Arts and Humanities Specialists
6.4 Biological Sciences Specialists
6.5 Biology Specialists
6.6 Business and Management Specialists
6.7 Computer Sciences and Information Technology Specialists
6.8 Construction and Building Specialists
6.9 Dentist Specialists
6.10 Earth Scientist Specialists

6.11 Education and Training Specialists
6.12 Engineering and Technology Specialists
6.13 Engineer Specialists
6.14 Civil Engineer Specialists
6.15 Finance Specialists
6.16 Homeland Security Specialists
6.17 Law and Legal Specialists
6.18 Law Enforcement Specialists
6.19 Life Scientist Specialists
6.20 Medical Specialists
6.21 Natural Scientist Specialists
6.22 Nursing Specialists
6.23 Social Scientist Specialists
6.24 Applied Sciences and Professional Specialists
6.25 Specialists in Computer Science and Information Technology
6.26 Specialists in Engineering and Technology
6.27 Specialists in Science Related Fields
6.28 Specialists in Animal Related Fields
6.29 Constitutional Law Specialist on the Separation of Powers

8.1 Nursing
8.2 Nursing Education beyond Registered Nurse
8.3 Nurse Practitioner (NP)
8.4 Certified Nurse Midwife (CNM)
8.5 Certified Registered Nurse Anesthetist (CRNA)
8.6 Clinical Nurse Specialists (CNS)
8.7 Types of Nursing Specialists

10.1 Foresters
10.2 Botanists
10.3 Epidemiologists
10.4 Arborists
10.5 Anthropologists
10.6 Petrologists
10.7 Paleontologists
10.8 Limnologists
10.9 Environmental Science
10.10 Hydrogeology
10.11 Hydrology

12.1 Types of Medical Specialists
12.2 Medical Subspecialists
12.3 Internal Medicine Specialist
12.4 Radiology Specialists
12.5 Types of Cardiologists
12.6 Pulmonary Disease Specialist
12.7 Gastrointestinal Diseases Specialist
12.8 Medical Physicist
12.9 Pathologist
12.10 Nephrologists
12.11 Dentist
12.12 Family Medicine Specialist
12.13 Emergency Medicine Specialist
12.14 Specialist in Physical Medicine and Rehabilitation
12.15 Preventive Medicine Specialist
12.16 Physiologist
12.17 Psychiatrist
12.18 Dermatologist
12.19 Plastic Surgeon
12.20 Medical Geneticists and Genomicist
12.21 Otolaryngologist
12.22 Otolaryngology-Head and Neck Surgeon

14.1 Brain Specialists
14.2 Heart Specialists
14.3 Types of Neuroscientist Specialists
14.4 Traumatologist and Pediatric Surgeon
14.5 Trauma Surgeon and Cardiothoracic Surgeon
14.6 Differences between Orthoptist, Optometrist and Ophthalmologist
14.7 Subspecialties in Diagnostic Radiology and Pediatrics
14.8 Subspecialties in Neurology, Obstetrics and Gynecology
14.9 Subspecialties in Surgeries

16.1 Zoologist
16.2 Botanist
16.3 Types of Microbiologists
16.4 Neuroscience and Neurology
16.5 Neurobiology
16.6 Neurophysics
16.7 Neurobiophysics
16.8 Neurobiochemistry
16.9 Neurodevelopmental Biology
16.10 Neuropharmacology
16.11 Neuropsychopharmacology
16.12 Computational Neurobiologist
16.13 Cognitive Neurobiologist
16.14 Clinical Neurobiologist
16.15 Stem Cell Biologist
16.16 Neurophysiologist
16.17 Clinical Neurophysiologist
16.18 Biostatistician and Biomedical Scientist

18.1 Physiology
18.2 Cell Biology
18.3 Immunology
18.4 Paediatric Clinical Immunology
18.5 Bioinformatics Scientist and Neurobiologist
18.6 Biological Sciences
18.7 Most Popular Types of Biologists
18.8 Duties of Different Types of Biologists

20.1 Top Ten Deadliest Diseases
20.2 Infections Related Terms and Specialists
20.3 Selected Types of Diseases
20.4 Branches of Medicine
20.5 Types of Medical Specialists

22.1 Different Types of Earth Scientists
22.2 Main Branches of Earth Science
22.3 Branches of Earth and Planetary Science
22.4 Branches of Geology
22.5 Major Fields of Study within Geoscience
22.6 Types of Subspecialists in Geosciences
22.7 Most Popular Types of Professional Specialisations in Earth and Planetary
Sciences
22.8 Research and Development Technology
22.9 Top Ten Commodity Exchanges
22.10 Top Ten Most Traded Commodities in the World
22.11 Top Ten Most Traded Commodities by Volume and Value
22.12 Selected Engineering Careers
22.13 The Rise of Humanoid Robots in China
22.14 Main Branches of Engineering
22.15 Civil Engineering Subfields
22.16 Chemical Engineering Subfields
22.17 Mechanical Engineering Subfields
22.18 Electrical Engineering Subfields
22.19 Industrial Engineering Subfields
22.20 Specialties in Computer Science
22.21 Specialisations within the Field of Computer Science
and Information Technology (IT)
22.22 Biotechnology vs. Biomedical Engineering
22.23 Top 10 Companies by Financial Performance in 2025 based on
Sales, Profits, Assets and Market Value

3.1 Fields of Study
3.2 U.S. Institute of Education – Subfields of Study
3.3 Branches of Law

3.4 Branches of Medicine
3.5 Main Branches of Earth Science
3.6 Planetary Science
3.7 Branches of Earth and Planetary Science
3.8 Branches of Geology
3.9 Branches of Science
3.10 Major Fields of Study within Geoscience
3.11 Most Popular Bachelor Degrees
3.12 Specialised Degrees in Education and Training
3.13 Types of Law Degrees
3.14 Online Degrees
3.15 Scholarly (academic) Journals for Research

5.1 Introduction
5.2 Meaning and Importance of a Doctoral Degree
5.3 Doctorate Degrees Awarded by Harvard University in 2023
5.4 Doctoral Degrees Conferred in U.S. in 2021
5.5 Different Types of Professional Specialists
5.6 What Does Institutional Accreditation Mean?

​7.1 Introduction 
7.2 Differences between Specialisation and Subspecialisation 
7.3 Different Professional Specialists 
7.4 Different Professional Subspecialists  
7.5 Subcategories of Fields of Study 
7.6 Most In-Demand (Popular) Degrees with their Specialisations
7.7 Specialisations in Health Care 
7.8 Popular Specialisations by Best Colleges in U.S.

9.1 Oceanography
9.2 Geology
9.3 Geography
9.4 Astronomy
9.5 Toxicology
9.6 Environmental Science
9.7 Ecology
9.8 Zoology
9.9 Engineering Geology
9.10 Structural Geology
9.11 Geophysics
9.12 Geochemistry
9.13 Marine Biology
9.14 Marine Geology

11.1 Volcanologist
11.2 Seismologist
11.3 Paleogeographer
11.4 Geomorphologist
11.5 Climatologists
11.6 Ecologists
11.7 Meteorologists
11.8 Soil Scientists
11.9 Agronomists
11.10 Geoscientists
11.11 Hydrologists

13.1 Cardiothoracic Surgeon
13.2 Obstetrics and Gynecology
13.3 Urologist
13.4 Paediatrician
13.5 Oncologist
13.6 Vascular Surgeon
13.7 Hematology Oncologist
13.8 Gynaecologic Oncologist
13.9 Orthopedic Surgeon (orthopedist)
13.10 Endocrinologist
13.11 Neurologist
13.12 Neurosurgeon and Pediatric Neurologist
13.13 Anesthesiologist
13.14 Rheumatologists
13.15 Allergists/Immunologists
13.16 Infectious Disease Specialist
13.17 Pathology Specialists
13.18 Oncologists Areas of Specialisations
13.19 Definition of a Surgeon
13.20 Types of Surgeons
13.21 Types of Cardiothoracic Surgeons and Cardiologists

15.1 Clinical Laboratory Scientist and Pharmacist
15.2 Perfusionist
15.3 Nursing Specialisations

15.4 Oncology Nurse
15.5 Orthopedic Nurse
15.6 Radiology Nurse
15.7 Diagnostic Radiology, Radiation Therapy (Oncology) and Interventional
Radiology
15.8 Selected Healthcare Professionals
15.9 Advanced Practice Registered Nurses (APRNs)
15.10 Nursing Specialisations
15.11 Types of Social Workers
15.12 Selected Health Scientist Professionals
15.13 Selected Health Technologists
15.14 Different Types of Healthcare Specialists
15.15 Types of Healthcare Technologists and Technicians
15.16 Classification of Clinical Specialists
15.17 Types of Nursing Specialists
15.18 Types of Assistant Specialists
15.19 Types of Therapists
15.20 Types of Technicians
15.21 Types of Specialties in Health Science
15.22 Health Sciences Specialists I

17.1 Marine Biology
17.2 Biomedical Science
17.3 Biochemistry
17.4 Biophysics
17.5 Ecology
17.6 Wildlife Biology
17.7 Microbiologist
17.8 Parasitologists and Bacteriologists
17.9 Virology

19.1 Construction Engineering
19.2 Types of Construction Engineers
19.3 Construction Management
19.4 Building Services Engineering (BSE)
19.5 Building Systems Engineering
19.6 Construction Project Management

21.1 Medical Specialists
21.2 Surgery
21.3 Body Organs, Disorders and Conditions treated by Doctors
21.4 Types of Medical Subspecialists