1. Short title This Act may be cited as the Peaceful Learning Act of 2018 . 2. Definitions (a) In general Except as otherwise specifically provided, in this Act the definitions in section 5302 of title 49, United States Code, shall apply. (b) Additional definitions In this Act, the following additional definitions apply: (1) Local educational agency The term local educational agency has the meaning given that term in section 9101 of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 7801 ). (2) Rail operator The term rail operator means an owner or operator of a fixed rail public transportation facility. (3) Railway noise The term railway noise means noise caused by a fixed rail public transportation facility. (4) School The term school means an elementary school or a secondary school (as those terms are defined in section 9101 of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 7801 )). 3. Railway noise study (a) In General The Secretary of Transportation shall enter into an agreement with the National Academy of Sciences to conduct a study on railway noise in the United States. (b) Contents of Study In conducting the study, the National Academy of Sciences shall examine— (1) the threshold of railway noise at which health begins to be affected; (2) the effectiveness of noise abatement programs for railway noise on the property of a school; (3) the impacts of railway noise on schools