Demographics, including median income, total population, race, ethnicity, and age for unincorporated areas in San Mateo County. This data comes from the 2012 American Community Survey 5 year estimates DP03 and DP05 files. They Sky Londa area is located within two Census Tracts. The data for Sky Londa is the sum of both of those Census Tracts. Users of this data should take this into account when using data for Sky Londa.

Collected from San Mateo County fifth graders, body composition standards take into account the natural development of boys (gain muscle) and girls (gain fat).

The standards for percent body fat have been equated with Body Mass Index (BMI) values. The HFZ standards for boys and girls help identify students at risk for metabolic syndrome. Metabolic syndrome is an indicator of current and future health risk and includes the following factors: high fasting glucose, large waist circumference, high triglycerides, low high density lipoprotein cholesterol, high blood pressure.

For each school year, some schools in the County do not report test results resulting in a variety of schools reporting per year.

Energy data gathered from: '1990-1996 Electricity Use: PG&E Environmental Quality Reports, 2001, 1990-1996 Natural Gas Use: California Energy Commission, 2001, Both electricity and natural gas figures have been changed to reflect revisions given to us by Andrea Gough on 1/27/07 and 1/22/08. Additional Data from Silicon Valley Environmental Partnership (SVEP), 2003 Silicon Valley Environmental Index. Data from Peter Melhus, former SVEP Board Chair & Data Source: http://www.ecdms.energy.ca.gov/