Prince George's County Citizens Concerned for a Cleaner County awarded savings bonds to the top county students participating in Giant Food's 17th Annual Poster Contest with the theme "Put Litter In Its Place." Jill Konopka of St. Bernard's School placed first for a $50 bond; second place and a $25 bond went to Jafari Stohmann of Potomac Landing Elementary School; third place winner Vanessa Rommelman of Marlton Elementary School received a $25 bond. The City of Hyattsville won the top award for its litter reduction campaign, which began in 1981. Scholarship Awarded

Lori A. Boyd, a freshman at Bowie State College, was awarded a $500 scholarship by the Prince George's County chapter of the National Council of Negro Women. Boyd, of New Carrollton, is the first recipient of the chapter's annual scholarship, created in honor of the organization's founder, civil rights activist Mary McLeod Bethune. Educator of the Year

Sixth grade science teacher Jane Tully Moberg received the Maryland PTA Educator of the Year award for 1985. Moberg has been a teacher for 20 years, the last 10 at George Fox Middle School. Moberg lives in Pasadena, Md. The award entitles her to compete for the PTA's National Educator of the Year award. Cheverly Scout Honored

The Boy Scouts of America named Gregory C. Kunce, 13, of Cheverly to its seven-member Report to the Nation delegation. Kunce, an eighth grader at St. Ambrose Catholic School, will participate in national activities on behalf of the Boy Scouts next month and may get to visit President Reagan at the White House in February. Kunce and a friend, Ernest Bechet of Largo, were responsible for preventing the spread of a house fire that began in a log pile next to a neighbor's porch.