### Hammer Montessori at Galarza Elementary (Data source)

##### Source data for Hammer Montessori at Galarza 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 | 2709248 | 2470 | - | 2436 | = | 34 | * | (62 | / | 167) | = | 12.62275449 | ||

4 | 2709249 | 2505 | - | 2485 | = | 20 | * | (48 | / | 167) | = | 5.74850298 | ||

5 | 2709252 | 2486 | - | 2528 | = | -42 | * | (57 | / | 167) | = | -14.33532933 | ||

Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Hammer Montessori at Galarza Elementary | 4 |

#### 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 | 82492 | 2448 | - | 2436 | = | 12 | * | (43 | / | 144) | = | 3.58333333 | ||

4 | 82494 | 2494 | - | 2485 | = | 9 | * | (56 | / | 144) | = | 3.49999999 | ||

5 | 82497 | 2542 | - | 2528 | = | 14 | * | (45 | / | 144) | = | 4.375 | ||

Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Hammer Montessori at Galarza Elementary | 11 |

#### 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 | 84784 | 2447 | - | 2436 | = | 11 | * | (49 | / | 142) | = | 3.79577464 | ||

4 | 84786 | 2527 | - | 2485 | = | 42 | * | (39 | / | 142) | = | 11.53521125 | ||

5 | 84789 | 2532 | - | 2528 | = | 4 | * | (54 | / | 142) | = | 1.52112676 | ||

Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Hammer Montessori at Galarza Elementary | 17 |

#### 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 | 85001 | 2474 | - | 2436 | = | 38 | * | (52 | / | 137) | = | 14.42335763 | ||

4 | 85002 | 2503 | - | 2485 | = | 18 | * | (47 | / | 137) | = | 6.17518247 | ||

5 | 85005 | 2567 | - | 2528 | = | 39 | * | (38 | / | 137) | = | 10.81751822 | ||

Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Hammer Montessori at Galarza Elementary | 31 |

#### 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 | 85594 | 2464 | - | 2436 | = | 28 | * | (56 | / | 149) | = | 10.52348993 | ||

4 | 85595 | 2506 | - | 2485 | = | 21 | * | (49 | / | 149) | = | 6.90604026 | ||

5 | 85596 | 2530 | - | 2528 | = | 2 | * | (44 | / | 149) | = | 0.59060403 | ||

Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Hammer Montessori at Galarza Elementary | 18 |

#### Last steps

##### Compute the average

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

4 | 11 | 17 | 31 | 18 | 81.0 | 16.2 |

##### Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: **43.2**

##### Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: **-10.8**

##### 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 | 23% | 27% | 25% | 27% | 24% |

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

#### San Jose Unified school district County of Santa Clara

### 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.

Hammer Montessori at Galarza Elementary

*math*proficiency
Zero+ meets standard.

**17% less $meal**

**19% less $meal**

**18% less $meal**

**22% less $meal**

**21% 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.