### Impact Academy of Arts & Technology (Data source)

##### Source data for Impact Academy of 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 | 42797 | 2597 | - | 2628 | = | -31 | * | ( | / | ) | = | |||

Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Impact Academy of Arts & Technology |

#### 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 | 1144 | 2599 | - | 2628 | = | -29 | * | ( | / | ) | = | |||

Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Impact Academy of Arts & Technology |

#### 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 |
||

7 | 1170 | 2521 | - | 2567 | = | -46 | * | ( | / | ) | = | |||

11 | 1171 | 2573 | - | 2628 | = | -55 | * | ( | / | ) | = | |||

Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Impact Academy of Arts & Technology |

#### 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 |
||

7 | 1194 | 2516 | - | 2567 | = | -51 | * | ( | / | ) | = | |||

8 | 1195 | 2533 | - | 2586 | = | -53 | * | ( | / | ) | = | |||

11 | 1198 | 2548 | - | 2628 | = | -80 | * | ( | / | ) | = | |||

Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Impact Academy of Arts & Technology |

#### Last steps

##### Compute the average

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

0.0 | 0.0 |

##### 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 | |
---|---|---|---|---|

Percent | 72% | 60% | 61% | 65% |

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

#### Hayward Unified school district County of Alameda

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

### PLUS a "special" or "outside" cause of variation, parent education.

NOT what teachers want.

NOT what principals want.

NOT what parents want.

#### High Schools (Public) schools in Hayward Unified (3)

Hayward High | Mt. Eden High | Tennyson High |