If you're looking for educational and cultural activities with a British flavor, you might consider a program of activities sponsored by The Royal Oak Foundation or an overseas exhibit of Washington fiber artists.

The Royal Oak Foundation 1977 program of education and cultural activities in the United Kingdon includes:

"This English Country, House," study trip and seminar for advanced udergraduate and graduate students in the fields of art, architecture and historic preservation, slated for June 26-July 21.

Attingham Summer School: three-week study of the English country house and its contents for Americans involved in architecture, preservation, the fine and decorative arts, slated for July 6-25.

Field Research in Britain, focusing on conservation on an agricultural estate in Warwickshire and environmental problems on coastal moorland and woodland; in conjuction with Earthwatch, a nonprofit organization located in Belmont, Mass.

Acorn Conservation Camps, for men and women 17-23, one-week camps running March-October.

The Royal Oak Foundation is a not-for-profit education and preservation society organized to promote preservation and further understanding of Anglo-American architectural and cultural heritage.

Details and application forms from: The Royal Oak Foundation Inc., 41 E. 72d St., New York 10021. Phone: 212-861-0529.

"Fiber 200," an exhibit of contemporary American fiber art created by seven Washington textile artists during the Bicentennial year, opens Feb. 1 at London's Textural Art Gallery and runs through Feb. 28. The gallery is located at: 3 Lansdowne Row, Berkeley Square, London W1 7LL. Details locally: 549-4046.

"Papua New Guinea Ritual," is a collection of artifacts from the Chambri and Iatmul people who live along the Sepik River in Papua New Guinea, will run through May in the National Geographic Society's Explorers Hall, 17th and M Streets NW. Weekdays 9 a.m. to 5 p.m.; Saturday, Sunday and holidays, 10 a.m. to 5 p.m. Detail: 857-7588. This Week

Mid-Altantic Folk Art Exhibit, 10 a.m.- 4:30 p.m. Monday through Jan. 7, Downtown Gallery, Baltimore Museum of Art, Charles and Redwood Sts. Details: 301-396-6310. Forum

"The Emerging American Identity in the Arts," the 1977 Williamsburg Antiques Forum, will be held in two one-week sessions (Jan. 23-28, Jan. 30-Feb. 4). Write: Peggy Sabol, Registrar, Goodwin Building, Williamsburg, Va. 23185 or phone 804-229-1000, ext. 2370 for details.