(a) Step 1. Use the adjusted national average current expenditures (ANACE) of public and private schools determined by data from the U.S. Department of Education-National Center of Education Statistics (NCES) for the last school year for which data is available.

(b) Step 2. Subtract the average specific Federal share per student (title I part A and IDEA part B) of the total revenue for Bureau-funded elementary and secondary schools for the last school year for which data is available as reported by NCES (15%).

(c) Step 3. Subtract the administrative cost grant/agency area technical services revenue per student as a percentage of the total revenue (current expenditures) of Bureau-funded schools from the last year data is available.

(d) Step 4. Subtract the day transportation revenue per student as a percentage of the total revenue (current revenue) Bureau-funded schools for the last school year for which data is available.

(e) Step 5. Add Johnson O'Malley funding. (See the table, in § 39.805)