Booksin Elementary (Data source)
Source data for Booksin 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 | 2707895 | 2456 | - | 2436 | = | 20 | * | (132 | / | 398) | = | 6.63316582 | ||
| 4 | 2707896 | 2530 | - | 2485 | = | 45 | * | (140 | / | 398) | = | 15.82914569 | ||
| 5 | 2707899 | 2533 | - | 2528 | = | 5 | * | (126 | / | 398) | = | 1.58291457 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Booksin Elementary | 24 | ||||||||||||
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 | 82453 | 2489 | - | 2436 | = | 53 | * | (135 | / | 401) | = | 17.84289276 | ||
| 4 | 82454 | 2526 | - | 2485 | = | 41 | * | (128 | / | 401) | = | 13.0872818 | ||
| 5 | 82457 | 2555 | - | 2528 | = | 27 | * | (138 | / | 401) | = | 9.29177055 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Booksin Elementary | 40 | ||||||||||||
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 | 84744 | 2489 | - | 2436 | = | 53 | * | (123 | / | 377) | = | 17.29177714 | ||
| 4 | 84746 | 2515 | - | 2485 | = | 30 | * | (130 | / | 377) | = | 10.34482758 | ||
| 5 | 84749 | 2540 | - | 2528 | = | 12 | * | (124 | / | 377) | = | 3.94694959 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Booksin Elementary | 32 | ||||||||||||
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 | 84961 | 2508 | - | 2436 | = | 72 | * | (145 | / | 392) | = | 26.63265305 | ||
| 4 | 84963 | 2511 | - | 2485 | = | 26 | * | (121 | / | 392) | = | 8.02551019 | ||
| 5 | 84965 | 2542 | - | 2528 | = | 14 | * | (126 | / | 392) | = | 4.49999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Booksin Elementary | 39 | ||||||||||||
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 | 85554 | 2503 | - | 2436 | = | 67 | * | (134 | / | 395) | = | 22.7291139 | ||
| 4 | 85555 | 2532 | - | 2485 | = | 47 | * | (144 | / | 395) | = | 17.13417721 | ||
| 5 | 85556 | 2535 | - | 2528 | = | 7 | * | (117 | / | 395) | = | 2.07341772 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Booksin Elementary | 42 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 24 | 40 | 32 | 39 | 42 | 177.0 | 35.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 56.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 14.4
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 | 13% | 13% | 10% | 11% | 11% |
| 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.
Booksin Elementary math proficiency
Zero+ meets standard.
10% less $meal
10% less $meal
7% less $meal
8% less $meal
9% 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.