To amend part B of the Individuals with Disabilities Education Act to provide full Federal funding of such part.

Summary: Mandatory IDEA Full Funding Compromise Act - Amends the Individuals with Disabilities Education Act (IDEA) to reauthorize part B programs of education of all children with disabilities. 
 Authorizes appropriations in specified amounts for part B for FY2006-FY2012 and thereafter, according to a certain formula. (Provides phased-in increases of such authorized funding designed to reach a promised 40% federal share by FY2011.) Makes appropriations in specified amounts (which are less than the amounts this Act authorizes to be appropriated) for part B for FY2006-FY2012 and thereafter.

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Mandatory IDEA Full Funding 
Compromise Act''.

SEC. 2. AMENDMENTS TO IDEA.

    Section 611(i) of the Individuals with Disabilities Education Act 
(20 U.S.C. 1411(i)) is amended to read as follows:
    ``(i) Funding.--
            ``(1) In general.--For the purpose of carrying out this 
        part, other than section 619, there are authorized to be 
        appropriated--
                    ``(A) $14,648,647,143 or 25.7 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2006, and there are hereby appropriated 
                $4,058,947,143 or 7.1 percent of the amount determined 
                under paragraph (2), whichever is less, for fiscal year 
                2006, which shall become available for obligation on 
                July 1, 2006, and shall remain available through 
                September 30, 2007;
                    ``(B) $16,938,917,714 or 28.9 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2007, and there are hereby appropriated 
                $6,349,217,714 or 10.8 percent of the amount determined 
                under paragraph (2), whichever is less, for fiscal year 
                2007, which shall become available for obligation on 
                July 1, 2007, and shall remain available through 
                September 30, 2008;
                    ``(C) $19,229,188,286 or 32.3 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2008, and there are hereby appropriated 
                $8,639,488,286 or 14.5 percent of the amount determined 
                under paragraph (2), whichever is less, for fiscal year 
                2008, which shall become available for obligation on 
                July 1, 2008, and shall remain available through 
                September 30, 2009;
                    ``(D) $21,519,458,857 or 35.3 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2009, and there are hereby appropriated 
                $10,929,758,887 or 17.9 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2009, which shall become available for 
                obligation on July 1, 2009, and shall remain available 
                through September 30, 2010;
                    ``(E) $23,809,729,429 or 38.1 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2010, and there are hereby appropriated 
                $13,220,029,429 or 21.2 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2010, which shall become available for 
                obligation on July 1, 2010, and shall remain available 
                through September 30, 2011;
                    ``(F) $26,100,000,000 or 40 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2011, and there are hereby appropriated 
                $15,510,300,000 or 21.3 percent of the amount 
                determined under paragraph (2), whichever is less, for 
                fiscal year 2011, which shall become available for 
                obligation on July 1, 2011, and shall remain available 
                through September 30, 2012; and
                    ``(G) 40 percent of the amount determined under 
                paragraph (2) for fiscal year 2012 and each subsequent 
                fiscal year, and there are hereby appropriated 21.3 
                percent of the amount determined under paragraph (2) 
                for fiscal year 2012 and each subsequent fiscal year, 
                which shall become available for obligation (A) with 
                respect to fiscal year 2012, on July 1, 2012, and shall 
                remain available through September 30, 2013, and (B) 
                with respect to each subsequent fiscal year, on July 1 
                of that fiscal year and shall remain available through 
                September 30 of the succeeding fiscal year.
            ``(2) Amount.--The amount referred to in each of 
        subparagraphs (A) through (G) of paragraph (1) is the product 
        of--
                    ``(A) the number of children with disabilities in 
                all States who are receiving special education and 
                related services--
                            ``(i) aged 3 through 5 if the State is 
                        eligible for a grant under section 619; and
                            ``(ii) aged 6 through 21; and
                    ``(B) the average per-pupil expenditure in public 
                elementary and secondary schools in the United 
                States.''.