Two Rivers Elementary (Data source)
Source data for Two Rivers 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 | 1899288 | 2406 | - | 2436 | = | -30 | * | (109 | / | 360) | = | -9.08333331 | ||
4 | 1899289 | 2447 | - | 2485 | = | -38 | * | (76 | / | 360) | = | -8.02222222 | ||
5 | 1899292 | 2499 | - | 2528 | = | -29 | * | (94 | / | 360) | = | -7.57222222 | ||
6 | 1899293 | 2514 | - | 2552 | = | -38 | * | (81 | / | 360) | = | -8.55 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Two Rivers Elementary | -33 |
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 | 58509 | 2378 | - | 2436 | = | -58 | * | (102 | / | 310) | = | -19.08387096 | ||
4 | 58511 | 2471 | - | 2485 | = | -14 | * | (124 | / | 310) | = | -5.6 | ||
5 | 58513 | 2511 | - | 2528 | = | -17 | * | (84 | / | 310) | = | -4.6064516 | ||
6 | 58514 | 0 | - | 2552 | = | * | (0 | / | 310) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Two Rivers Elementary | -29 |
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 | 60209 | 2411 | - | 2436 | = | -25 | * | (108 | / | 330) | = | -8.18181818 | ||
4 | 60212 | 2454 | - | 2485 | = | -31 | * | (103 | / | 330) | = | -9.67575757 | ||
5 | 60213 | 2510 | - | 2528 | = | -18 | * | (119 | / | 330) | = | -6.49090908 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Two Rivers Elementary | -24 |
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 | 60334 | 2407 | - | 2436 | = | -29 | * | (113 | / | 320) | = | -10.240625 | ||
4 | 60336 | 2472 | - | 2485 | = | -13 | * | (101 | / | 320) | = | -4.103125 | ||
5 | 60338 | 2472 | - | 2528 | = | -56 | * | (106 | / | 320) | = | -18.55 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Two Rivers Elementary | -33 |
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 | 60589 | 2443 | - | 2436 | = | 7 | * | (112 | / | 326) | = | 2.40490797 | ||
4 | 60590 | 2476 | - | 2485 | = | -9 | * | (115 | / | 326) | = | -3.17484662 | ||
5 | 60591 | 2504 | - | 2528 | = | -24 | * | (99 | / | 326) | = | -7.28834354 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Two Rivers Elementary | -8 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-33 | -29 | -24 | -33 | -8 | -127.0 | -25.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.4
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 | 46% | 44% | 46% | 50% | 55% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Natomas Unified 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.
Two Rivers Elementary math proficiency
Zero+ meets standard.
35% less $meal
37% less $meal
38% less $meal
45% less $meal
48% 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 Natomas Unified (9)
American Lakes | Bannon Creek | H. Allen Hight Elementary |
Heron | Jefferson | Natomas Park Elementary |
Paso Verde | Two Rivers Elementary | Witter Ranch Elementary |