The Chesapeake Watershed Semester

What The Chesapeake Watershed Semester does

The Chesapeake Watershed Semester (CWS) is a single-semester, place-based academic program operated by The Gunston School, a private not-for-profit independent school in Centreville, Maryland. Founded in 2018 after a 2014 strategic initiative by Gunston's Board of Trustees, the program targets high school juniors, seniors, and postgraduates seeking college-preparatory academics combined with intensive environmental field experiences. Students enroll either as day students commuting to campus or as residential boarders living with vetted local host families, with the school offering both AP and non-AP tracks across environmental science, U.S. government and politics, English literature, and a leadership seminar.

The program is built on a 15-week semester model with approximately 5 weeks spent in the field. Its core experiential components include five multi-day overnight expeditions (2-4 nights each) to locations such as Tangier Island, the Virginia Institute of Marine Science in Wachapreague, energy-producing regions of Pennsylvania, and Norfolk, supplemented by day trips to Washington DC, Annapolis, Baltimore, and the Chester River. Students execute a cross-disciplinary Capstone Research Project presented publicly at semester end, maintain a Water Color Journal, and engage with a network of 40+ institutional partners spanning academic (VIMS, Washington College, University of Maryland), environmental (Chesapeake Bay Foundation, Echo Hill Outdoor School, ShoreRivers), governmental (City of Annapolis, City of Norfolk), and agricultural organizations. The program is fully accredited by AIMS and the Middle States Association, with credits formally recognized by secondary schools and colleges.

CWS makes money primarily through student tuition ($15,475 base for Fall 2025), a mandatory expedition and program fee ($5,600), and an optional residential boarding fee ($4,000), aggregating to $21,075 for day students or $24,275 for residential students. The target market is small and selective — cohorts cap at 12-15 students — driving tuition revenue at a sub-$1M annual scale. The program supplements tuition with philanthropic support, including two major grants from the Edward E. Ford Foundation (2018 launch and 2024 Environmental Scholars Fund). GTM is sales-led, relying on virtual information sessions, open houses, personalized campus tours, and an admissions committee review with Early Decision (December 15) and Regular Decision (February 1) deadlines. The offering operates without venture capital or private equity backing, with leadership under Head of School John Lewis and CWS Directors Mel Skirkanich and Brad Hirsh.

Name

The Chesapeake Watershed Semester

Legal name

The Gunston School

Website

https://chesapeakewatershedsemester.org

Company type

Private

Founded year

2018

Operating status

Operating

Short description

The Chesapeake Watershed Semester is a fully-accredited, single-semester place-based academic program operated by The Gunston School for high school juniors, seniors, and postgraduates, combining college-preparatory academics with five overnight field expeditions across the 64,000 square mile Chesapeake Bay Watershed. Cohorts cap at 12-15 students under a 1:6 faculty ratio.

Ownership category

akta.pro rank

Product category

Experiential Secondary Education

NAICS

Educational Services (61), Colleges, Universities, and Professional Schools (6113)

SIC

Services-Educational Services (8200), Services-Membership Sports & Recreation Clubs (7997)

akta.pro primary industry

Marine & Freshwater Conservation (BPAGAGAE)

akta.pro secondary industry

Coastal & Marine Nature Lodges (THAGAIAH)

Keywords

• Experiential high school education
• Place-based learning program
• Environmental science semester
• Field study secondary education
• College preparatory academics

Headquarters

HQ city

Centreville

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Others

Revenue model

1. Tuition Revenue: Tuition for Fall 2025 is $15,475 (half of full Gunston School tuition), plus expedition and program fees. Students may enroll as day students ($21,075 total) or residential boarding students living with host families ($24,275 total).
2. Expedition and Program Fees: Required expedition and program fee of $5,600 per student covers field study costs, equipment, meals during expeditions, and program materials.
3. Host Family Housing: Residential boarding students pay $4,000 for host family housing including room and board, transportation to/from school, and cultural immersion experience with local families.
4. Optional Bus Transportation: Optional fee-based bus transportation from multiple locations (Annapolis, Severna Park, Centreville, Chestertown, Easton, Kent Island, Queenstown, Middletown DE) charged monthly depending on route length.
5. Financial Aid and Scholarships: Need-based financial aid available through The Gunston School and the Gunston Environmental Scholars Fund (established with Edward E. Ford Foundation grant). Families apply through Clarity platform.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

The Chesapeake Watershed Semester is a single-semester, fully-accredited, place-based academic program for high school juniors, seniors, and postgraduates that uses the 64,000 square-mile Chesapeake Bay watershed as a living classroom. It combines college-preparatory coursework (with AP options in Environmental Science, US Government, and English Literature), a Capstone Research Project, and a Leadership Seminar with five multi-day overnight expeditions to sites such as Tangier Island, the Virginia Institute of Marine Science, Central Pennsylvania, and Norfolk, plus single-day field trips. Students may enroll as day commuters or residential boarders living with vetted local host families.

Product overview

The Chesapeake Watershed Semester (CWS) is a single, unified semester-long academic program operated by The Gunston School. The core offering combines four academic course modules (Environmental Science with AP option, Environmental Policy and Politics with AP option, Literature of Land & Water with AP option, and Leadership Seminar) with experiential components including five extended overnight expeditions, multiple single-day expeditions, a Capstone Research Project, and a Water Color Journal. Students may add optional services including host family boarding, athletics participation, and college guidance support. The program runs for 15 weeks with approximately 5 weeks spent in the field.

Differentiator

Problem solved

Functional benefit

Products and services

• Chesapeake Watershed Semester A fully-accredited, single-semester, place-based academic program for high school juniors, seniors, and postgraduates that combines college-preparatory academics with immersive field experiences focused on environmental science, public policy, and leadership, using the 64,000 square-mile Chesapeake Bay watershed as the primary learning foundation.
• Extended Overnight Expeditions Five multi-day overnight expeditions lasting 2-4 nights each, including the Chesapeake Bay Science Expedition with VIMS, Bay Culture and Livelihoods Expedition (with Tangier Island), Land Use and Energy Expedition (Pennsylvania), and Climate Studies Expedition (Norfolk).
• Single Day Expeditions Multiple single-day field trips including Washington DC (politics and agriculture), Chester River kayaking, Baltimore/Annapolis urban environment studies, and farm visits to partners such as Mason Farms and St. Brigid's Farm.
• Host Family Boarding Residential boarding service where CWS students live with carefully vetted local host families near campus, providing room, board, and transportation for an authentic Eastern Shore cultural experience at an additional fee of $4,000.

Quantifiable outcome

• 100% of students complete Capstone Research Projects presented publicly at semester end
• +2 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

16 partnerships are on record, tiered core and minor.

• Chesapeake Bay FoundationcoreStrategic or Co-development PartnerCBF provides deep expertise in transformative environment-based education and supports the annual Environmental Leadership Conference for Independent School Leaders. CBF staff lead field sessions and provide strategic planning curriculum for independent school leaders.
• Virginia Institute of Marine Science (VIMS)coreStrategic or Co-development PartnerPartnership with VIMS and College of William and Mary for the Chesapeake Bay Science Expedition. Students base from the Eastern Shore Lab in Wachapreague, VA with access to state-of-the-art wet laboratories and field sampling equipment.
• Sultana Educational FoundationcoreStrategic or Co-development PartnerChris Cerino, Vice President of Sultana Education Foundation and former Mayor of Chestertown, serves on CWS Advisory Board. Sultana provides ecological and cultural history programming for CWS Orientation.
• Washington College's Center for Environment and SocietycoreStrategic or Co-development PartnerAcademic partner contributing to program design and curricular expertise. Students engage with university researchers and access college-level resources.
• University of Maryland's Center for Environmental Science at Horn PointcoreStrategic or Co-development PartnerAcademic partner providing research resources and scientific expertise for environmental education components.
• Echo Hill Outdoor SchoolcoreStrategic or Co-development PartnerBetsy McCown, Director of Echo Hill Outdoor School, serves on CWS Advisory Board providing experiential learning expertise.
• University of Pennsylvania's Wharton SchoolminorStrategic or Co-development PartnerWharton School contributed Systems Thinking and Change Management theories from Harvard Business School and MIT's Sloan School of Management for the Environmental Leadership Conference curriculum.
• ShoreRivers (Chester Riverkeeper)minorStrategic or Co-development PartnerAnnie Richards '08, Chester Riverkeeper, serves on Advisory Board. Students learn about stormwater management challenges from Chester Riverkeeper during field expeditions.
• Baltimore Compost CollectiveminorStrategic or Co-development PartnerStudents visit Baltimore to meet the head of Baltimore Compost Collective and learn about urban composting initiatives and pollution reduction efforts.
• City of AnnapolisminorStrategic or Co-development PartnerStudents interview the Mayor of Annapolis about strategies to reduce the city's impact on the Chesapeake Bay, focusing on downtown maritime area renovation.
• City of NorfolkminorStrategic or Co-development PartnerStudents explore Norfolk, the lowest-lying city in the US except New Orleans, examining how different community actors are grappling with changing relationships to water due to climate change.
• Adkins ArboretumminorStrategic or Co-development PartnerEnvironmental and scientific partner organization contributing to field study programming and ecological education.
• Delmarva Nesting FoundationminorStrategic or Co-development PartnerEducational institution partner contributing to conservation and environmental education programming.
• Chesapeake Wildlife HeritageminorStrategic or Co-development PartnerWildlife conservation partner supporting environmental education and field study experiences.
• Mason Farms MDminorStrategic or Co-development PartnerFarm and food system partner visited during farming and food explorations throughout the semester.
• St. Brigid's FarmminorStrategic or Co-development PartnerFarm partner visited during farming and food explorations to learn about food production and government regulations impacting farmers.

Scale indicators5 records

Recent moves5 records

Expansion highlights6 records

Direct peers

• Chewonki Semester School: A semester-long residential program for high school juniors in Wiscasset, Maine, combining rigorous academics with wilderness expeditions, farm work, and environmental studies. Direct peer on model (semester, place-based, accredited, residential).
• The Island School: A semester-long, place-based high school program in Eleuthera, Bahamas, focused on environmental science, research, and sustainable living. Highly comparable structure (semester, ~50 students, research capstone, accredited) and serves a similar environmental-college-prep niche.
• Oxbow School: A semester-long arts-and-environment program for high school juniors and seniors in Napa, California, combining studio and environmental science. Similar scale, semester model, and college-prep focus, with environmental thematic overlap.
• The Mountain School at Milton Academy: A semester-long, place-based experiential program for high school juniors at Milton Academy in Vershire, VT, combining college-prep academics with farm- and mountain-based fieldwork. Directly comparable to CWS in structure: ~45 students/semester, single-semester model, AP options, college-prep credits.
• High Mountain Institute: A semester school for high schoolers in Leadville, Colorado, blending academic credit with wilderness expeditions and environmental fieldwork. Same operational model — semester, residential, place-based environmental focus.

Emerging players

• Kroka Expeditions: A wilderness-based semester program in New Hampshire emphasizing environmental leadership, community living, and expeditions. Comparable in pedagogy and target segment but more wilderness/outdoor-skills focused than CWS's watershed-science emphasis.

Others

• The Gunston School: The parent private school hosting CWS, providing its faculty, campus, accreditation, and infrastructure. Not a peer in the marketplace sense but the structural foundation on which CWS operates and the source of the host-family and athletic-program ecosystem.
• Chesapeake Bay Foundation Education Programs: A partner of CWS offering free/low-cost K-12 environmental education programs across the Chesapeake region. Not a direct competitor for tuition but a programmatic competitor for the same students' time and family budget, and a key ecosystem partner.

Regional players

• Thompson Island Outward Bound: Boston Harbor-based experiential education program combining outdoor leadership, environmental science, and academic credit. Comparable in environmental/place-based educational mission and target demographic (high schoolers), though primarily short-format rather than semester.

Broad incumbents

• Semester at Sea: A multi-country shipboard semester program offering college-credit coursework to high school graduates and college students. Comparable single-semester experiential model but at much larger scale and global rather than place-based environmental focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about The Chesapeake Watershed Semester