### Envision Academy for Arts & Technology (Data source)

##### Source data for Envision Academy for Arts & Technology

#### 2015

Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||

Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||

11 | 2425 | 2487 | - | 2628 | = | -141 | * | (85 | / | 85) | = | -141.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Envision Academy for Arts & Technology | -141 |

#### 2016

Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||

Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||

11 | 48 | 2506 | - | 2628 | = | -122 | * | (89 | / | 89) | = | -122.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Envision Academy for Arts & Technology | -122 |

#### 2017

Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||

Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||

11 | 44 | 2523 | - | 2628 | = | -105 | * | (90 | / | 90) | = | -105.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Envision Academy for Arts & Technology | -105 |

#### 2018

Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||

Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||

11 | 42 | 2539 | - | 2628 | = | -89 | * | (96 | / | 96) | = | -89.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Envision Academy for Arts & Technology | -89 |

#### 2019

Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||

Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||

11 | 43 | 2497 | - | 2628 | = | -131 | * | (84 | / | 84) | = | -131.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Envision Academy for Arts & Technology | -131 |

#### Last steps

##### Compute the average

2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|

-141 | -122 | -105 | -89 | -131 | -588.0 | -117.6 |

##### Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average:

##### Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average:

##### For the lines, you have the data necessary to plot the chart.

#### Very last step

##### The percent of students getting a Free or Reduced Price Meal comes from the following sources:

2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|

Percent | 47% | 67% | 74% | 75% | 80% |

Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |

#### Alameda County Office of Education school district | County of Alameda

### THIS chart shows what the school system "wants"

### PLUS a "special" or "outside" cause of variation: wealth/poverty.

NOT what teachers want.

NOT what principals want.

NOT what parents want.