“…Information about schools' or students' socioeconomic status (SES) was reported for 18 of the samples (16.5%), 78,80,84,91,94,111,120,[124][125][126]136,154,207,211,217,219,221,222 although in some cases this was limited to a general statement about the district or school. Of these samples, nine samples 80,[124][125][126]136,154,207,217,221 were identified as including a majority of students from lower SES backgrounds (e.g. free or subsidised school lunches, or in areas with high economic deprivation).…”