Riverview Elementary (Data source)
Source data for Riverview 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 | 1663259 | 2430 | - | 2436 | = | -6 | * | (62 | / | 199) | = | -1.86934673 | ||
| 4 | 1663262 | 2442 | - | 2485 | = | -43 | * | (40 | / | 199) | = | -8.64321608 | ||
| 5 | 1663263 | 2443 | - | 2528 | = | -85 | * | (49 | / | 199) | = | -20.92964818 | ||
| 6 | 1663266 | 2514 | - | 2552 | = | -38 | * | (48 | / | 199) | = | -9.16582914 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Riverview Elementary | -41 | ||||||||||||
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 | 51919 | 2454 | - | 2436 | = | 18 | * | (37 | / | 178) | = | 3.74157302 | ||
| 4 | 51921 | 2459 | - | 2485 | = | -26 | * | (54 | / | 178) | = | -7.88764044 | ||
| 5 | 51923 | 2462 | - | 2528 | = | -66 | * | (40 | / | 178) | = | -14.83146067 | ||
| 6 | 51925 | 2490 | - | 2552 | = | -62 | * | (47 | / | 178) | = | -16.37078647 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Riverview Elementary | -35 | ||||||||||||
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 | 53441 | 2402 | - | 2436 | = | -34 | * | (51 | / | 196) | = | -8.84693875 | ||
| 4 | 53444 | 2424 | - | 2485 | = | -61 | * | (38 | / | 196) | = | -11.82653061 | ||
| 5 | 53445 | 2465 | - | 2528 | = | -63 | * | (60 | / | 196) | = | -19.28571422 | ||
| 6 | 53448 | 2515 | - | 2552 | = | -37 | * | (47 | / | 196) | = | -8.87244897 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Riverview Elementary | -49 | ||||||||||||
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 | 53531 | 2430 | - | 2436 | = | -6 | * | (33 | / | 177) | = | -1.11864406 | ||
| 4 | 53532 | 2467 | - | 2485 | = | -18 | * | (46 | / | 177) | = | -4.67796609 | ||
| 5 | 53535 | 2460 | - | 2528 | = | -68 | * | (38 | / | 177) | = | -14.59887002 | ||
| 6 | 53536 | 2501 | - | 2552 | = | -51 | * | (60 | / | 177) | = | -17.28813555 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Riverview Elementary | -38 | ||||||||||||
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 | 53766 | 2459 | - | 2436 | = | 23 | * | (33 | / | 138) | = | 5.49999998 | ||
| 4 | 53767 | 2444 | - | 2485 | = | -41 | * | (26 | / | 138) | = | -7.72463768 | ||
| 5 | 53768 | 2512 | - | 2528 | = | -16 | * | (43 | / | 138) | = | -4.98550723 | ||
| 6 | 53769 | 2474 | - | 2552 | = | -78 | * | (36 | / | 138) | = | -20.34782607 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Riverview Elementary | -28 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -41 | -35 | -49 | -38 | -28 | -191.0 | -38.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -59.2
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 | 58% | 48% | 50% | 48% | 47% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corona-Norco Unified school district | County of Riverside
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.
Riverview Elementary math proficiency
Zero+ meets standard.
53% less $meal
43% less $meal
43% less $meal
43% less $meal
40% 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.