Washington Open Elementary (Data source)
Source data for Washington Open 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 | 2724356 | 2488 | - | 2436 | = | 52 | * | (60 | / | 169) | = | 18.46153842 | ||
| 4 | 2724357 | 2532 | - | 2485 | = | 47 | * | (54 | / | 169) | = | 15.01775147 | ||
| 5 | 2724360 | 2555 | - | 2528 | = | 27 | * | (55 | / | 169) | = | 8.78698222 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Washington Open Elementary | 42 | ||||||||||||
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 | 82878 | 2496 | - | 2436 | = | 60 | * | (59 | / | 173) | = | 20.46242772 | ||
| 4 | 82881 | 2553 | - | 2485 | = | 68 | * | (61 | / | 173) | = | 23.97687861 | ||
| 5 | 82882 | 2563 | - | 2528 | = | 35 | * | (53 | / | 173) | = | 10.72254334 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Washington Open Elementary | 55 | ||||||||||||
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 | 85189 | 2510 | - | 2436 | = | 74 | * | (57 | / | 174) | = | 24.24137924 | ||
| 4 | 85191 | 2557 | - | 2485 | = | 72 | * | (57 | / | 174) | = | 23.58620683 | ||
| 5 | 85192 | 2559 | - | 2528 | = | 31 | * | (60 | / | 174) | = | 10.68965517 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Washington Open Elementary | 59 | ||||||||||||
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 | 85406 | 2470 | - | 2436 | = | 34 | * | (42 | / | 157) | = | 9.09554138 | ||
| 4 | 85408 | 2555 | - | 2485 | = | 70 | * | (60 | / | 157) | = | 26.75159235 | ||
| 5 | 85410 | 2577 | - | 2528 | = | 49 | * | (55 | / | 157) | = | 17.16560508 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Washington Open Elementary | 53 | ||||||||||||
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 | 86002 | 2491 | - | 2436 | = | 55 | * | (47 | / | 149) | = | 17.34899326 | ||
| 4 | 86003 | 2540 | - | 2485 | = | 55 | * | (43 | / | 149) | = | 15.87248322 | ||
| 5 | 86004 | 2576 | - | 2528 | = | 48 | * | (59 | / | 149) | = | 19.00671139 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Washington Open Elementary | 52 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 42 | 55 | 59 | 53 | 52 | 261.0 | 52.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 70.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 34.2
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 | 11% | 10% | 6% | 10% | 8% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Clara 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.
Washington Open Elementary math proficiency
Zero+ meets standard.
9% less $meal
8% less $meal
3% less $meal
9% less $meal
8% 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.