The concepts of celebrity, happy new year, events, valentines day, finance, game, internet, education, brainstorm, modern, web and mobile Elegant light grey white seamless looped background. Diagonal ...

Vector realistic illustration set of tropical leaves and flowers isolated on white background. Highly detailed colorful plant collection. Botanical elements for cosmetics, spa, beauty care products ...

exceeds the actual black-white education gap and is roughly constant. Strikingly, the gap in all grades is largely explained by a small number of measures of socioeconomic background. We discuss the ...