Marengo Ranch Elementary (Data source)
Source data for Marengo Ranch 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 | 1830572 | 2422 | - | 2436 | = | -14 | * | (80 | / | 352) | = | -3.18181818 | ||
4 | 1830575 | 2414 | - | 2485 | = | -71 | * | (91 | / | 352) | = | -18.35511362 | ||
5 | 1830576 | 2461 | - | 2528 | = | -67 | * | (98 | / | 352) | = | -18.65340903 | ||
6 | 1830579 | 2519 | - | 2552 | = | -33 | * | (83 | / | 352) | = | -7.78124998 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Marengo Ranch Elementary | -48 |
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 | 56600 | 2421 | - | 2436 | = | -15 | * | (65 | / | 350) | = | -2.78571428 | ||
4 | 56602 | 2449 | - | 2485 | = | -36 | * | (91 | / | 350) | = | -9.36 | ||
5 | 56604 | 2474 | - | 2528 | = | -54 | * | (93 | / | 350) | = | -14.34857139 | ||
6 | 56606 | 2512 | - | 2552 | = | -40 | * | (101 | / | 350) | = | -11.54285712 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Marengo Ranch Elementary | -38 |
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 | 58243 | 2416 | - | 2436 | = | -20 | * | (71 | / | 329) | = | -4.31610942 | ||
4 | 58246 | 2452 | - | 2485 | = | -33 | * | (67 | / | 329) | = | -6.72036473 | ||
5 | 58248 | 2480 | - | 2528 | = | -48 | * | (95 | / | 329) | = | -13.86018235 | ||
6 | 58250 | 2487 | - | 2552 | = | -65 | * | (96 | / | 329) | = | -18.96656535 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Marengo Ranch Elementary | -44 |
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 | 58376 | 2427 | - | 2436 | = | -9 | * | (66 | / | 292) | = | -2.03424657 | ||
4 | 58378 | 2458 | - | 2485 | = | -27 | * | (67 | / | 292) | = | -6.19520546 | ||
5 | 58380 | 2501 | - | 2528 | = | -27 | * | (64 | / | 292) | = | -5.91780821 | ||
6 | 58382 | 2517 | - | 2552 | = | -35 | * | (95 | / | 292) | = | -11.38698628 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Marengo Ranch Elementary | -26 |
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 | 58620 | 2432 | - | 2436 | = | -4 | * | (86 | / | 296) | = | -1.16216216 | ||
4 | 58621 | 2455 | - | 2485 | = | -30 | * | (70 | / | 296) | = | -7.09459458 | ||
5 | 58622 | 2507 | - | 2528 | = | -21 | * | (68 | / | 296) | = | -4.82432431 | ||
6 | 58623 | 2510 | - | 2552 | = | -42 | * | (72 | / | 296) | = | -10.21621621 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Marengo Ranch Elementary | -23 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-48 | -38 | -44 | -26 | -23 | -179.0 | -35.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -5.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.8
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 | 47% | 42% | 41% | 41% | 45% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Galt Joint Union Elementary school district County of Sacramento
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Marengo Ranch Elementary math proficiency
Zero+ meets standard.
38% less $meal
34% less $meal
29% less $meal
34% less $meal
35% 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 Galt Joint Union Elementary (5)
Lake Canyon Elementary | Marengo Ranch Elementary | River Oaks Elementary |
Valley Oaks Elementary | Vernon E. Greer Elementary |