A major limitation of our study was that, due to issues of confidentiality raised by several of the schools, individual-level data could not be matched at baseline and follow-up and we had to use aggregate school-level data to compare scores in the intervention and control schools.
It was hypothesized that the group means of the student-level variables would be possible to identity as aggregated school-level factors corresponding to those at the individual level.
The mixed integer linear programming model, which is presented in detail in [ 33], returns year-specific and cumulative allocations as shown in Table 3.> Table 3 summarizes the cumulative allocation of 25 supplementary grants per year (23 in 2011 and 25 from 2012) for the 2011 2024 period, aggregating schools according to their disciplinary area.
The most cited study, conducted by Stanford University, found that "in the aggregate charter schools are not advancing the learning gains of their students as much as traditional public schools".
They like to aggregate into schools and through molecular signatures on the outside of their bells can distinguish between a friendly fellow jelly and any predatory species of jellyfish that might eat them.
The teacher data has therefore been aggregated at school level to provide information about the school environment (see section on "Methods" for information about the respective weighting).
Information on destination countries' educational systems has been derived from PISA 2006, by aggregating these school characteristics to the destination country level, also using schools with only native pupils.
Rates for overall absenteeism and absenteeism due to ILI were aggregated by school administrative unit (SAU) and posted on the NH DHHS website twice weekly in the form of a map.
In a surveillance system that relies on aggregate data from school health records, prevalence estimates are generated by school and by school district.
The lack of association between income inequality aggregated at school-level with verbal bullying, which had been previously reported to bullying in the literature [ 10], might be due to the fact that Brazilian schools are quite homogeneous in this respect.
Aggregated at a school or school-district level, they can inform choices about curriculum, textbooks, staffing assignments, and professional development or additional training needs.
