Loma Rica Elementary (Data source)
Source data for Loma Rica 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 | 3197181 | 2407 | - | 2436 | = | -29 | * | (17 | / | 50) | = | -9.86 | ||
| 4 | 3197182 | 2424 | - | 2485 | = | -61 | * | (21 | / | 50) | = | -25.62 | ||
| 5 | 3197185 | 2515 | - | 2528 | = | -13 | * | (12 | / | 50) | = | -3.12 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Loma Rica Elementary | -39 | ||||||||||||
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 | 98557 | 2440 | - | 2436 | = | 4 | * | (22 | / | 58) | = | 1.51724138 | ||
| 4 | 98559 | 2447 | - | 2485 | = | -38 | * | (17 | / | 58) | = | -11.13793102 | ||
| 5 | 98561 | 2473 | - | 2528 | = | -55 | * | (19 | / | 58) | = | -18.01724133 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Loma Rica Elementary | -28 | ||||||||||||
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 | 101424 | 2425 | - | 2436 | = | -11 | * | (14 | / | 53) | = | -2.90566037 | ||
| 4 | 101426 | 2472 | - | 2485 | = | -13 | * | (23 | / | 53) | = | -5.64150943 | ||
| 5 | 101427 | 2482 | - | 2528 | = | -46 | * | (16 | / | 53) | = | -13.88679243 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Loma Rica Elementary | -22 | ||||||||||||
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 | 101578 | 2394 | - | 2436 | = | -42 | * | (12 | / | 55) | = | -9.16363636 | ||
| 4 | 101581 | 2460 | - | 2485 | = | -25 | * | (16 | / | 55) | = | -7.27272725 | ||
| 5 | 101582 | 2502 | - | 2528 | = | -26 | * | (27 | / | 55) | = | -12.76363634 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Loma Rica Elementary | -29 | ||||||||||||
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 | 102229 | 2447 | - | 2436 | = | 11 | * | (15 | / | 44) | = | 3.74999999 | ||
| 4 | 102230 | 2407 | - | 2485 | = | -78 | * | (12 | / | 44) | = | -21.27272722 | ||
| 5 | 102231 | 2438 | - | 2528 | = | -90 | * | (17 | / | 44) | = | -34.77272724 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Loma Rica Elementary | -52 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -39 | -28 | -22 | -29 | -52 | -170.0 | -34.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.0
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 | 54% | 61% | 62% | 64% | 60% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Marysville Joint Unified school district | County of Yuba
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.
Loma Rica Elementary math proficiency
Zero+ meets standard.
40% less $meal
52% less $meal
56% less $meal
59% less $meal
53% 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.