Loma Vista Elementary (Data source)
Source data for Loma Vista 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 | 1360096 | 2369 | - | 2436 | = | -67 | * | (71 | / | 312) | = | -15.24679483 | ||
| 4 | 1360099 | 2380 | - | 2485 | = | -105 | * | (77 | / | 312) | = | -25.91346146 | ||
| 5 | 1360100 | 2414 | - | 2528 | = | -114 | * | (80 | / | 312) | = | -29.23076918 | ||
| 6 | 1360103 | 2439 | - | 2552 | = | -113 | * | (84 | / | 312) | = | -30.4230769 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Loma Vista Elementary | -101 | ||||||||||||
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 | 42789 | 2379 | - | 2436 | = | -57 | * | (88 | / | 319) | = | -15.72413788 | ||
| 4 | 42791 | 2399 | - | 2485 | = | -86 | * | (75 | / | 319) | = | -20.21943566 | ||
| 5 | 42793 | 2438 | - | 2528 | = | -90 | * | (76 | / | 319) | = | -21.44200626 | ||
| 6 | 42794 | 2454 | - | 2552 | = | -98 | * | (80 | / | 319) | = | -24.5768025 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Loma Vista Elementary | -82 | ||||||||||||
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 | 43864 | 2372 | - | 2436 | = | -64 | * | (72 | / | 332) | = | -13.87951802 | ||
| 4 | 43866 | 2397 | - | 2485 | = | -88 | * | (93 | / | 332) | = | -24.65060233 | ||
| 5 | 43868 | 2430 | - | 2528 | = | -98 | * | (75 | / | 332) | = | -22.13855417 | ||
| 6 | 43869 | 2435 | - | 2552 | = | -117 | * | (92 | / | 332) | = | -32.42168666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Loma Vista Elementary | -93 | ||||||||||||
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 | 43881 | 2390 | - | 2436 | = | -46 | * | (71 | / | 335) | = | -9.74925371 | ||
| 4 | 43883 | 2400 | - | 2485 | = | -85 | * | (84 | / | 335) | = | -21.31343278 | ||
| 5 | 43885 | 2435 | - | 2528 | = | -93 | * | (103 | / | 335) | = | -28.5940298 | ||
| 6 | 43886 | 2493 | - | 2552 | = | -59 | * | (77 | / | 335) | = | -13.56119401 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Loma Vista Elementary | -73 | ||||||||||||
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 | 44012 | 2390 | - | 2436 | = | -46 | * | (87 | / | 329) | = | -12.16413369 | ||
| 4 | 44013 | 2421 | - | 2485 | = | -64 | * | (71 | / | 329) | = | -13.81155014 | ||
| 5 | 44014 | 2447 | - | 2528 | = | -81 | * | (89 | / | 329) | = | -21.91185408 | ||
| 6 | 44015 | 2463 | - | 2552 | = | -89 | * | (82 | / | 329) | = | -22.18237077 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Loma Vista Elementary | -70 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -101 | -82 | -93 | -73 | -70 | -419.0 | -83.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -44.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -122.8
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 | 93% | 91% | 92% | 88% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Salinas City Elementary school district | County of Monterey
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 Vista Elementary math proficiency
Zero+ meets standard.
72% less $meal
80% less $meal
80% less $meal
82% less $meal
86% 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.