These conventions are scheduled to start this week in the Washington area.

NATIONAL BOARD OF PROFESSIONAL TEACHING STANDARDS

Dates: Tomorrow through next Monday

Attendance: 500

Headquarters: Hyatt Regency Washington on Capital Hill

NATIONAL TRUST

FOR HISTORIC PRESERVATION

Dates: Tomorrow through Sunday

Attendance: 2,300

Headquarters: Renaissance Mayflower Hotel

AMERICAN ASSOCIATION

OF UNIVERSITY AFFILIATED

PROGRAMS FOR THE DISABLED

Dates: Wednesday through next Monday

Attendance: 350

Headquarters: St. James Suites

MARINE CORPS MARATHON

Dates: Wednesday through next Monday

Attendance: 4,000

Headquarters: Hyatt Regency Crystal City

COSMOPOLITAN TRAVEL INC.

Dates: Wednesday through Sunday

Attendance: 100

Headquarters: Crowne Plaza Washington, D.C.

YOUNG PRESIDENTS' ORGANIZATION

Dates: Friday and Saturday

Attendance: 650

Headquarters: Grand Hyatt Washington

KENT FEEDS INC.

Dates: Friday through next Monday

Attendance: 60

Headquarters: Willard Inter-Continental Washington

ASSOCIATION OF AMERICAN

MEDICAL COLLEGES

Dates: Saturday through Oct. 28

Attendance: 4,000

Headquarters: Hilton Washington and Towers

GOLDEN CORRAL

FRANCHISING SYSTEMS INC.

Dates: Saturday through Oct. 31

Attendance: 1,000

Headquarters: Marriott Wardman Park

MARCH OF DIMES

BIRTH DEFECTS FOUNDATION

Dates: Saturday through Nov. 1

Attendance: 700

Headquarters: Hyatt Regency Crystal City

Scheduled to start at the Washington Convention Center this week:

URBAN LAND INSTITUTE

Dates: Tomorrow through Saturday

Attendance: 4,500

ANNUAL SCHOOL FAIR

Date: Sunday

Attendance: Public

ANNUAL USED BOOK SALE

Dates: Thursday through Oct. 26

Attendance: Public

NATIONAL AUTOMATIC MERCHANDISING ASSOCIATION

Dates: Sunday through Nov. 2

Attendance: 7,700