Mountainview Elementary (Data source)
Source data for Mountainview 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 | 1114150 | 2456 | - | 2436 | = | 20 | * | (114 | / | 469) | = | 4.86140724 | ||
| 4 | 1114151 | 2490 | - | 2485 | = | 5 | * | (100 | / | 469) | = | 1.06609808 | ||
| 5 | 1114154 | 2526 | - | 2528 | = | -2 | * | (129 | / | 469) | = | -0.55010661 | ||
| 6 | 1114155 | 2540 | - | 2552 | = | -12 | * | (126 | / | 469) | = | -3.22388059 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mountainview Elementary | 2 | ||||||||||||
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 | 34811 | 2439 | - | 2436 | = | 3 | * | (96 | / | 452) | = | 0.63716814 | ||
| 4 | 34814 | 2506 | - | 2485 | = | 21 | * | (113 | / | 452) | = | 5.25 | ||
| 5 | 34815 | 2529 | - | 2528 | = | 1 | * | (105 | / | 452) | = | 0.23230088 | ||
| 6 | 34817 | 2566 | - | 2552 | = | 14 | * | (138 | / | 452) | = | 4.27433628 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mountainview Elementary | 10 | ||||||||||||
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 | 35457 | 2439 | - | 2436 | = | 3 | * | (98 | / | 423) | = | 0.69503546 | ||
| 4 | 35460 | 2488 | - | 2485 | = | 3 | * | (104 | / | 423) | = | 0.73758865 | ||
| 5 | 35462 | 2530 | - | 2528 | = | 2 | * | (115 | / | 423) | = | 0.54373522 | ||
| 6 | 35463 | 2548 | - | 2552 | = | -4 | * | (106 | / | 423) | = | -1.00236406 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mountainview Elementary | 1 | ||||||||||||
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 | 35468 | 2465 | - | 2436 | = | 29 | * | (104 | / | 452) | = | 6.67256636 | ||
| 4 | 35470 | 2495 | - | 2485 | = | 10 | * | (104 | / | 452) | = | 2.30088495 | ||
| 5 | 35472 | 2502 | - | 2528 | = | -26 | * | (115 | / | 452) | = | -6.61504423 | ||
| 6 | 35474 | 2576 | - | 2552 | = | 24 | * | (129 | / | 452) | = | 6.84955752 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mountainview Elementary | 9 | ||||||||||||
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 | 35635 | 2469 | - | 2436 | = | 33 | * | (119 | / | 435) | = | 9.02758619 | ||
| 4 | 35636 | 2511 | - | 2485 | = | 26 | * | (101 | / | 435) | = | 6.03678161 | ||
| 5 | 35637 | 2500 | - | 2528 | = | -28 | * | (106 | / | 435) | = | -6.82298848 | ||
| 6 | 35638 | 2567 | - | 2552 | = | 15 | * | (109 | / | 435) | = | 3.75862068 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mountainview Elementary | 12 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 2 | 10 | 1 | 9 | 12 | 34.0 | 6.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 18.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -5.2
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 | 9% | 6% | 8% | 12% | 11% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saugus Union school district | County of Los Angeles
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.
Mountainview Elementary math proficiency
Zero+ meets standard.
7% less $meal
6% less $meal
7% less $meal
11% less $meal
10% 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.