### Chico High (Data source)

##### Source data for Chico High

#### 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 | 137531 | 2603 | - | 2628 | = | -25 | * | (393 | / | 393) | = | -25.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chico High | -25 |

#### 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 | 3984 | 2613 | - | 2628 | = | -15 | * | (395 | / | 395) | = | -15.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chico High | -15 |

#### 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 | 4072 | 2599 | - | 2628 | = | -29 | * | (423 | / | 423) | = | -29.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chico High | -29 |

#### 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 | 4076 | 2601 | - | 2628 | = | -27 | * | (423 | / | 423) | = | -27.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chico High | -27 |

#### 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 | 4125 | 2589 | - | 2628 | = | -39 | * | (414 | / | 414) | = | -39.0 | ||

Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chico High | -39 |

#### Last steps

##### Compute the average

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

-25 | -15 | -29 | -27 | -39 | -135.0 | -27.0 |

##### Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: **-3.0**

##### Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: **-51.0**

##### 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 | 37% | 33% | 34% | 41% | 41% |

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

#### Chico Unified school district County of Butte

### Just a coincidence? That's absurd.

It's a system that causes this pattern to repeat.

**
THIS chart shows what thefollow-the-schedule method wants.
**

NOT what teachers want.

NOT what principals want.

NOT what parents want.

*math*proficiency

**32% less $meal**

**28% less $meal**

**29% less $meal**

**37% less $meal**

**36% less $meal**

• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.

#### High Schools (Public) schools in Chico Unified (2)

Chico High | Pleasant Valley High |