### Marina West Elementary (Data source)

##### Source data for Marina West Elementary

#### 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 |
||

3 | 3120284 | 2363 | - | 2436 | = | -73 | * | (109 | / | 310) | = | -25.66774192 | ||

4 | 3120287 | 2387 | - | 2485 | = | -98 | * | (98 | / | 310) | = | -30.98064514 | ||

5 | 3120288 | 2435 | - | 2528 | = | -93 | * | (103 | / | 310) | = | -30.89999995 | ||

Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Marina West Elementary | -88 |

#### 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 |
||

3 | 96239 | 2395 | - | 2436 | = | -41 | * | (98 | / | 279) | = | -14.40143368 | ||

4 | 96240 | 2392 | - | 2485 | = | -93 | * | (97 | / | 279) | = | -32.33333325 | ||

5 | 96242 | 2428 | - | 2528 | = | -100 | * | (84 | / | 279) | = | -30.1075268 | ||

Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Marina West Elementary | -77 |

#### 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 |
||

3 | 99025 | 2363 | - | 2436 | = | -73 | * | (90 | / | 284) | = | -23.13380278 | ||

4 | 99028 | 2410 | - | 2485 | = | -75 | * | (98 | / | 284) | = | -25.88028165 | ||

5 | 99030 | 2420 | - | 2528 | = | -108 | * | (96 | / | 284) | = | -36.50704225 | ||

Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Marina West Elementary | -86 |

#### 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 |
||

3 | 99180 | 2386 | - | 2436 | = | -50 | * | (99 | / | 279) | = | -17.74193545 | ||

4 | 99183 | 2388 | - | 2485 | = | -97 | * | (77 | / | 279) | = | -26.77060931 | ||

5 | 99184 | 2429 | - | 2528 | = | -99 | * | (103 | / | 279) | = | -36.54838707 | ||

Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Marina West Elementary | -81 |

#### 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 |
||

3 | 99847 | 2404 | - | 2436 | = | -32 | * | (110 | / | 272) | = | -12.94117645 | ||

4 | 99848 | 2398 | - | 2485 | = | -87 | * | (86 | / | 272) | = | -27.50735289 | ||

5 | 99849 | 2428 | - | 2528 | = | -100 | * | (76 | / | 272) | = | -27.9411764 | ||

Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Marina West Elementary | -68 |

#### Last steps

##### Compute the average

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

-88 | -77 | -86 | -81 | -68 | -400.0 | -80.0 |

##### Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: **-59.0**

##### Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: **-101.0**

##### 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 | 84% | 88% | 82% | 85% | 73% |

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

#### Oxnard school district County of Ventura

### 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.

Marina West Elementary

*math*proficiency
Zero+ meets standard.

**71% less $meal**

**73% less $meal**

**73% less $meal**

**79% less $meal**

**69% 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.