Admission requirements (including second language skills) accreditation and other information can be obtained by writing or phoning the schools. Where available, fall, 1981, tuition rates are shown. Be sure to confirm tuition when contacting the school.

French International School -- 9600 Forest Rd., Bethesda, MD 20014. Phone 530-8260. Nursery school through 12th grade. Tuition: Preschool (2 1/2-5) and kindergarten, $2,038 per year; grades 1-5, $2,461; grades 6-9, $2,780; grades 10-12, $3,165.

The German School -- 8617 Chateau Dr., Potomac, MD 20854. Phone 365-4400. Kindergarten through grade 13. Tuition: $1,440 per year. Discounts for additional children in same family.

Washington International School -- 2735 Olive St. NW, Washington, DC 20007. Phone 333-8510. Lower school age 3 to grade 3. Tuition: $2,225-$2,975 per year. Upper school at 3100 Macomb St. NW. Phone 966-8510. Grades 4 to 12. Tuition: $3,225-$3,725 per year.

Watoto School, the Nationhouse Positive Action Center, 770 Park Rd., N.W. Washington, DC 20010. Phone 291-5600.Nursery (age 2 1/2) to age 12, Tuition: $1,540 per year. SATURDAY CLASSES

The Korean School -- Write, P.O. Box 1084, Rockville, MD 20850. Phone: (301) 468-2365 (day) or (301) 496-2073 (evening). Ask for Dr. Rhee. Ages 5-18. Tuition: $125 per year.

The Japanese School -- Write, Principal of Japanese School, Embassy of Japan, 2520 Massachusetts Ave. NW, Washington, DC 20008. Phone 234-2266. Tuition: grade 1 to 3, $22 per month; 4 to 9, $33 per month; 10 to 11, $44 per month.