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: wealth/poverty.
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.