

American College of Healthcare Sciences (ACHS) is a private college based in Portland, Oregon, with a longstanding focus on holistic health education delivered primarily online. The institution traces its beginnings to 1978, when founder Dorene Petersen established a school devoted to herbal studies in New Zealand. Its subsequent development in the United States broadened that original focus to include subjects such as aromatherapy, nutrition, and integrative health.
That history helps explain both the college's specialized curriculum and its distance-learning model. Prospective students should evaluate ACHS as a health-and-wellness-focused institution, rather than as a general-purpose college with a wide selection of unrelated majors.
ACHS organizes its academics around complementary and integrative health disciplines rather than a broad set of conventional colleges or professional schools. Its programs include study in areas such as herbal medicine, aromatherapy, holistic nutrition, and integrative health sciences.
The college offers credentials at multiple levels, including certificates and undergraduate and graduate programs. The appropriate starting point depends on a student's prior education and intended work: a short certificate, for example, serves a different purpose from a degree that includes general education and more extensive coursework.
Program names alone do not establish eligibility for a regulated health profession. Applicants considering clinical practice should compare the specific curriculum with licensing requirements in the state where they intend to work before enrolling.
American College of Healthcare Sciences is based in Portland, Oregon, but its online-centered instruction means many students need not live near the college to attend. Portland is an urban setting; the relevance of its physical location depends on whether a student's program or planned activities require an in-person visit.
Students considering a visit can use Portland-area public transportation or fly into Portland International Airport. Online applicants should give more weight to course schedules, time-zone expectations, and any in-person components listed for their particular program than to the college's city alone.
ACHS describes its educational purpose in terms of teaching integrative health and wellness while encouraging informed, responsible practice. Its emphasis on evidence-informed learning sits alongside subjects associated with complementary health, including plants, nutrition, and aromatherapy.
Those priorities describe the institution's stated approach, not proof that a particular therapy is effective or that a credential qualifies its holder for licensure. Students should examine how their intended program teaches research appraisal, safety, professional boundaries, and the legal scope of practice relevant to their goals.
Name of the institution
American College of Healthcare SciencesLevel of institution
Four or more yearsControl of institution
PrivateSetting type
City: LargeInstitutional Category
Degree - granting, not primarily baccalaureate or aboveInstitution size category
1,000 - 4,999School type
Comprehensive higher education institutionMain student body
CoeducationalCalendar system
SemestersFoundation year
1978American College of Healthcare Sciences is institutionally accredited by the Distance Education Accrediting Commission, an accrediting agency recognized by the U.S. Department of Education. Accreditation confirms that the school meets quality standards and is required for students to receive federal financial aid.
Certificate of less than 1 year
Certificate of at least 1 year, but less than 2 years
Associate's degree
Bachelor's degree
Postbaccalaureate certificate
Master's degree
Doctor's degree - research/scholarshipData last updated on November 2, 2026
Data sources: IPEDS 2024-25, Peterson 2026, College Scorecard 10/2026, Clery 2024 (2023-24), OpenAlex 2026
Figures on this profile come from federal and third-party datasets in the editions listed above and are refreshed periodically, so they may differ from what the institution currently reports. Confirm costs, deadlines and requirements with the school before making decisions.