Riviera Elementary (Data source)
Source data for Riviera 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 | 576270 | 2396 | - | 2436 | = | -40 | * | (41 | / | 111) | = | -14.77477476 | ||
| 4 | 576273 | 2415 | - | 2485 | = | -70 | * | (33 | / | 111) | = | -20.81081079 | ||
| 5 | 576274 | 2452 | - | 2528 | = | -76 | * | (37 | / | 111) | = | -25.33333331 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Riviera Elementary | -61 | ||||||||||||
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 | 18348 | 2392 | - | 2436 | = | -44 | * | (47 | / | 119) | = | -17.37815125 | ||
| 4 | 18350 | 2452 | - | 2485 | = | -33 | * | (37 | / | 119) | = | -10.26050418 | ||
| 5 | 18353 | 2457 | - | 2528 | = | -71 | * | (35 | / | 119) | = | -20.88235294 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Riviera Elementary | -49 | ||||||||||||
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 | 18677 | 2407 | - | 2436 | = | -29 | * | (41 | / | 125) | = | -9.512 | ||
| 4 | 18679 | 2465 | - | 2485 | = | -20 | * | (44 | / | 125) | = | -7.04 | ||
| 5 | 18681 | 2456 | - | 2528 | = | -72 | * | (40 | / | 125) | = | -23.04 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Riviera Elementary | -40 | ||||||||||||
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 | 18700 | 2406 | - | 2436 | = | -30 | * | (35 | / | 119) | = | -8.82352941 | ||
| 4 | 18701 | 2429 | - | 2485 | = | -56 | * | (37 | / | 119) | = | -17.41176466 | ||
| 5 | 18704 | 2477 | - | 2528 | = | -51 | * | (47 | / | 119) | = | -20.14285713 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Riviera Elementary | -46 | ||||||||||||
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 | 18840 | 2385 | - | 2436 | = | -51 | * | (35 | / | 115) | = | -15.52173913 | ||
| 4 | 18841 | 2432 | - | 2485 | = | -53 | * | (38 | / | 115) | = | -17.51304345 | ||
| 5 | 18842 | 2451 | - | 2528 | = | -77 | * | (42 | / | 115) | = | -28.12173911 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Riviera Elementary | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -61 | -49 | -40 | -46 | -61 | -257.0 | -51.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -24.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.4
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 | 71% | 78% | 74% | 78% | 80% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Kelseyville Unified school district | County of Lake
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.
Riviera Elementary math proficiency
Zero+ meets standard.
54% less $meal
54% less $meal
53% less $meal
59% less $meal
59% 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.
Elementary School (Public) schools in Kelseyville Unified (2)
| Kelseyville Elementary | Riviera Elementary |