Vista Grande Elementary (Data source)
Source data for Vista Grande 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 | 2006640 | 2378 | - | 2436 | = | -58 | * | (80 | / | 306) | = | -15.16339866 | ||
| 4 | 2006641 | 2429 | - | 2485 | = | -56 | * | (65 | / | 306) | = | -11.8954248 | ||
| 5 | 2006644 | 2437 | - | 2528 | = | -91 | * | (72 | / | 306) | = | -21.41176465 | ||
| 6 | 2006645 | 2458 | - | 2552 | = | -94 | * | (89 | / | 306) | = | -27.33986926 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vista Grande Elementary | -76 | ||||||||||||
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 | 61722 | 2413 | - | 2436 | = | -23 | * | (65 | / | 257) | = | -5.8171206 | ||
| 4 | 61724 | 2436 | - | 2485 | = | -49 | * | (71 | / | 257) | = | -13.53696496 | ||
| 5 | 61726 | 2469 | - | 2528 | = | -59 | * | (63 | / | 257) | = | -14.46303497 | ||
| 6 | 61729 | 2462 | - | 2552 | = | -90 | * | (58 | / | 257) | = | -20.31128397 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vista Grande Elementary | -54 | ||||||||||||
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 | 63503 | 2420 | - | 2436 | = | -16 | * | (74 | / | 275) | = | -4.30545454 | ||
| 4 | 63504 | 2450 | - | 2485 | = | -35 | * | (70 | / | 275) | = | -8.90909089 | ||
| 5 | 63507 | 2457 | - | 2528 | = | -71 | * | (68 | / | 275) | = | -17.55636362 | ||
| 6 | 63508 | 2476 | - | 2552 | = | -76 | * | (63 | / | 275) | = | -17.41090908 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vista Grande Elementary | -48 | ||||||||||||
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 | 63604 | 2440 | - | 2436 | = | 4 | * | (65 | / | 271) | = | 0.95940959 | ||
| 4 | 63606 | 2456 | - | 2485 | = | -29 | * | (65 | / | 271) | = | -6.95571954 | ||
| 5 | 63608 | 2494 | - | 2528 | = | -34 | * | (70 | / | 271) | = | -8.78228782 | ||
| 6 | 63610 | 2478 | - | 2552 | = | -74 | * | (71 | / | 271) | = | -19.38745381 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vista Grande Elementary | -34 | ||||||||||||
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 | 63864 | 2445 | - | 2436 | = | 9 | * | (48 | / | 238) | = | 1.81512605 | ||
| 4 | 63865 | 2478 | - | 2485 | = | -7 | * | (59 | / | 238) | = | -1.73529411 | ||
| 5 | 63866 | 2520 | - | 2528 | = | -8 | * | (60 | / | 238) | = | -2.01680672 | ||
| 6 | 63867 | 2501 | - | 2552 | = | -51 | * | (71 | / | 238) | = | -15.21428568 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vista Grande Elementary | -17 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -76 | -54 | -48 | -34 | -17 | -229.0 | -45.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -111.8
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 | 81% | 79% | 79% | 74% | 69% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ontario-Montclair school district | County of San Bernardino
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.
Vista Grande Elementary math proficiency
Zero+ meets standard.
69% less $meal
67% less $meal
61% less $meal
63% less $meal
61% 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.