Anthony Spangler Elementary (Data source)
Source data for Anthony Spangler 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 | 2735433 | 2464 | - | 2436 | = | 28 | * | (90 | / | 322) | = | 7.82608694 | ||
| 4 | 2735434 | 2475 | - | 2485 | = | -10 | * | (75 | / | 322) | = | -2.32919254 | ||
| 5 | 2735437 | 2507 | - | 2528 | = | -21 | * | (67 | / | 322) | = | -4.36956521 | ||
| 6 | 2735438 | 2532 | - | 2552 | = | -20 | * | (90 | / | 322) | = | -5.5900621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Anthony Spangler 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 | 83162 | 2445 | - | 2436 | = | 9 | * | (71 | / | 300) | = | 2.12999999 | ||
| 4 | 83165 | 2520 | - | 2485 | = | 35 | * | (87 | / | 300) | = | 10.15 | ||
| 5 | 83167 | 2506 | - | 2528 | = | -22 | * | (75 | / | 300) | = | -5.5 | ||
| 6 | 83168 | 2562 | - | 2552 | = | 10 | * | (67 | / | 300) | = | 2.23333333 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Anthony Spangler Elementary | 9 | ||||||||||||
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 | 85498 | 2430 | - | 2436 | = | -6 | * | (69 | / | 308) | = | -1.34415584 | ||
| 4 | 85500 | 2493 | - | 2485 | = | 8 | * | (79 | / | 308) | = | 2.05194805 | ||
| 5 | 85502 | 2524 | - | 2528 | = | -4 | * | (88 | / | 308) | = | -1.14285714 | ||
| 6 | 85505 | 2573 | - | 2552 | = | 21 | * | (72 | / | 308) | = | 4.90909089 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Anthony Spangler Elementary | 4 | ||||||||||||
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 | 85719 | 2476 | - | 2436 | = | 40 | * | (84 | / | 316) | = | 10.63291136 | ||
| 4 | 85721 | 2504 | - | 2485 | = | 19 | * | (60 | / | 316) | = | 3.60759492 | ||
| 5 | 85723 | 2530 | - | 2528 | = | 2 | * | (82 | / | 316) | = | 0.51898734 | ||
| 6 | 85725 | 2600 | - | 2552 | = | 48 | * | (90 | / | 316) | = | 13.67088605 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Anthony Spangler Elementary | 28 | ||||||||||||
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 | 86313 | 2472 | - | 2436 | = | 36 | * | (77 | / | 314) | = | 8.82802544 | ||
| 4 | 86314 | 2507 | - | 2485 | = | 22 | * | (87 | / | 314) | = | 6.09554139 | ||
| 5 | 86315 | 2539 | - | 2528 | = | 11 | * | (62 | / | 314) | = | 2.17197452 | ||
| 6 | 86316 | 2566 | - | 2552 | = | 14 | * | (88 | / | 314) | = | 3.92356688 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Anthony Spangler Elementary | 21 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -4 | 9 | 4 | 28 | 21 | 58.0 | 11.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 47.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.4
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 | 35% | 33% | 30% | 32% | 28% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Milpitas 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.
Anthony Spangler Elementary math proficiency
Zero+ meets standard.
28% less $meal
22% less $meal
21% less $meal
24% 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.