This report presents data on high school performance indicators for the 1999-00 school year in Brooklyn, New York. Data are provided on: background; students (numbers and ethnicity); state accountability indicators in English and language arts (full cohort and seniors in the cohort); state accountability indicators in mathematics (full cohort); performance indicators for cohort graduation and dropout rates (4-year and 7-year outcomes); performance indicators for types of diplomas (4-year and 7-year outcomes); special education services (referral rates, decertifications from special education, rate of English language learner, or ELL, and non-ELL referrals, related services, counseling, and speech); ELLs (student performance and ELL student years in program); school discipline/climate (student incidents and suspensions); administration (attendance, cases issued, and police department incidents); fiscal management (timeliness of payments to vendors and textbook allocation); recruitment (percentage of certified teachers and change in percentage of certified teachers); community parent relationships (schools with leadership teams, schools with 50-percent parent membership on teams, and schools holding parent elections for teams); and regents cohort explanation (students assigned to the cohort and assessments that count toward meeting the English and mathematics examination requirements). (SM)