The following were among actions the Nov. 20 meeting of the Prince William County School Board. For more information, call 791-8720.

SCHOOL BENEFITS REVIEW -- The School Board, in a 6 to 1 vote, amended its policy for reviewing school employees' benefits and working conditions, effectively killing a staff plan to establish joint negotiating procedures with the county's two teacher associations.

Because Virginia law prohibits collective bargaining by public employees, Prince William school officials negotiate issues such as teacher salaries in separate sessions with the 1,800-member Prince William Education Association and the 100-member Prince William Federation of Teachers..

Last spring, Superintendent of Schools Edward L. Kelly proposed establishing in the 1991-92 school year a 27-member Teachers Advisory Committee -- or Committee of 27 -- composed of teacher representatives elected by the 3,000-member staff. Under his plan, Kelly and the School Board would have met with the committee to negotiate issues instead of meeting separately with the two associations.

The Prince William Education Association endorsed the Committee of 27 concept, but the Prince William Federation of Teachers opposed the plan, arguing that because the federation has fewer members it would effectively be silenced.

The revised policy, which was proposed by School Board member Martha Raines, who opposed the Committee of 27 proposal, maintains "formal and informal channels of communication with all employees and employee organizations."

Board member Ilona Salmon cast the dissenting vote against the policy revision, saying it was premature to kill the Committee of 27 before it was given a chance.