Mission Elementary (Data source)
Source data for Mission 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 | 183554 | 2377 | - | 2436 | = | -59 | * | (125 | / | 324) | = | -22.76234567 | ||
| 4 | 183555 | 2428 | - | 2485 | = | -57 | * | (104 | / | 324) | = | -18.29629628 | ||
| 5 | 183558 | 2457 | - | 2528 | = | -71 | * | (95 | / | 324) | = | -20.8179012 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mission Elementary | -62 | ||||||||||||
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 | 5509 | 2391 | - | 2436 | = | -45 | * | (109 | / | 329) | = | -14.90881455 | ||
| 4 | 5512 | 2416 | - | 2485 | = | -69 | * | (122 | / | 329) | = | -25.58662609 | ||
| 5 | 5513 | 2453 | - | 2528 | = | -75 | * | (98 | / | 329) | = | -22.3404255 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mission Elementary | -63 | ||||||||||||
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 | 5644 | 2391 | - | 2436 | = | -45 | * | (96 | / | 322) | = | -13.41614903 | ||
| 4 | 5645 | 2414 | - | 2485 | = | -71 | * | (108 | / | 322) | = | -23.81366455 | ||
| 5 | 5648 | 2432 | - | 2528 | = | -96 | * | (118 | / | 322) | = | -35.18012419 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mission Elementary | -72 | ||||||||||||
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 | 5638 | 2386 | - | 2436 | = | -50 | * | (84 | / | 282) | = | -14.893617 | ||
| 4 | 5639 | 2427 | - | 2485 | = | -58 | * | (101 | / | 282) | = | -20.77304962 | ||
| 5 | 5642 | 2427 | - | 2528 | = | -101 | * | (97 | / | 282) | = | -34.74113473 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mission Elementary | -70 | ||||||||||||
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 | 5701 | 2381 | - | 2436 | = | -55 | * | (91 | / | 283) | = | -17.68551235 | ||
| 4 | 5702 | 2420 | - | 2485 | = | -65 | * | (84 | / | 283) | = | -19.29328616 | ||
| 5 | 5703 | 2438 | - | 2528 | = | -90 | * | (108 | / | 283) | = | -34.34628969 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mission Elementary | -71 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -62 | -63 | -72 | -70 | -71 | -338.0 | -67.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -55.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.6
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 | 83% | 85% | 82% | 83% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Antioch Unified school district | County of Contra Costa
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.
Mission Elementary math proficiency
Zero+ meets standard.
71% less $meal
72% less $meal
71% less $meal
73% less $meal
71% 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.