Montevideo Elementary (Data source)
Source data for Montevideo 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 | 1558985 | 2424 | - | 2436 | = | -12 | * | (72 | / | 258) | = | -3.3488372 | ||
| 4 | 1558987 | 2507 | - | 2485 | = | 22 | * | (49 | / | 258) | = | 4.17829456 | ||
| 5 | 1558989 | 2488 | - | 2528 | = | -40 | * | (65 | / | 258) | = | -10.07751936 | ||
| 6 | 1558990 | 2544 | - | 2552 | = | -8 | * | (72 | / | 258) | = | -2.23255814 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Montevideo Elementary | -11 | ||||||||||||
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 | 48824 | 2436 | - | 2436 | = | 0 | * | (56 | / | 242) | = | 0.0 | ||
| 4 | 48826 | 2488 | - | 2485 | = | 3 | * | (70 | / | 242) | = | 0.86776859 | ||
| 5 | 48829 | 2507 | - | 2528 | = | -21 | * | (51 | / | 242) | = | -4.42561982 | ||
| 6 | 48831 | 2558 | - | 2552 | = | 6 | * | (65 | / | 242) | = | 1.61157025 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Montevideo Elementary | -2 | ||||||||||||
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 | 50160 | 2450 | - | 2436 | = | 14 | * | (52 | / | 222) | = | 3.27927928 | ||
| 4 | 50163 | 2479 | - | 2485 | = | -6 | * | (54 | / | 222) | = | -1.45945946 | ||
| 5 | 50165 | 2513 | - | 2528 | = | -15 | * | (66 | / | 222) | = | -4.45945946 | ||
| 6 | 50167 | 2559 | - | 2552 | = | 7 | * | (50 | / | 222) | = | 1.57657658 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Montevideo 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 | 50189 | 2453 | - | 2436 | = | 17 | * | (45 | / | 197) | = | 3.88324872 | ||
| 4 | 50191 | 2494 | - | 2485 | = | 9 | * | (43 | / | 197) | = | 1.964467 | ||
| 5 | 50193 | 2518 | - | 2528 | = | -10 | * | (49 | / | 197) | = | -2.48730964 | ||
| 6 | 50195 | 2555 | - | 2552 | = | 3 | * | (60 | / | 197) | = | 0.91370558 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Montevideo Elementary | 4 | ||||||||||||
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 | 50382 | 2449 | - | 2436 | = | 13 | * | (40 | / | 162) | = | 3.20987654 | ||
| 4 | 50383 | 2491 | - | 2485 | = | 6 | * | (42 | / | 162) | = | 1.55555555 | ||
| 5 | 50384 | 2528 | - | 2528 | = | 0 | * | (36 | / | 162) | = | 0.0 | ||
| 6 | 50385 | 2576 | - | 2552 | = | 24 | * | (44 | / | 162) | = | 6.51851851 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Montevideo Elementary | 11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -11 | -2 | -1 | 4 | 11 | 1.0 | 0.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 24.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -23.8
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 | 23% | 21% | 21% | 25% | 23% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saddleback Valley Unified school district | County of Orange
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.
Montevideo Elementary math proficiency
Zero+ meets standard.
18% less $meal
16% less $meal
20% less $meal
23% less $meal
20% 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.